Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

AL Barry Alabama Power Co. 3 1 Averaging Plan 0.40 0.57 0.46 0.38 Not Oper.

AL Barry Alabama Power Co. 3 2 Averaging Plan 0.40 0.57 0.46 0.38 0.54 6%

AL Barry Alabama Power Co. 3 3 Averaging Plan 0.40 0.57 0.46 0.38 0.54 6%

AL Barry Alabama Power Co. 3 4 Averaging Plan 0.40 0.34 0.46 0.38 0.65 -48%

AL Barry Alabama Power Co. 3 5 Averaging Plan 0.40 0.36 0.46 0.38 0.68 -47%

AL Charles R Lowman Alabama Electric Co-op., Inc. 56 1 Standard Limit 0.46 0.44 0.69 -36%

AL Charles R Lowman Alabama Electric Co-op., Inc. 56 2 Early Election 0.46 0.49 0.50 0.62 -21%

AL Charles R Lowman Alabama Electric Co-op., Inc. 56 3 Early Election 0.46 0.48 0.50 0.66 -27%

AL Colbert Tennessee Valley Authority 47 1 Averaging Plan 0.50 0.44 0.58 0.50 0.80 -45%

AL Colbert Tennessee Valley Authority 47 2 Averaging Plan 0.50 0.44 0.58 0.50 0.67 -34%

AL Colbert Tennessee Valley Authority 47 3 Averaging Plan 0.50 0.44 0.58 0.50 0.83 -47%

AL Colbert Tennessee Valley Authority 47 4 Averaging Plan 0.50 0.44 0.58 0.50 0.86 -49%

AL Colbert Tennessee Valley Authority 47 5 Averaging Plan 0.50 0.39 0.58 0.50 0.78 -50%

AL E C Gaston Alabama Power Co. 26 1 Averaging Plan 0.50 0.51 0.46 0.38 0.90 -43%

AL E C Gaston Alabama Power Co. 26 2 Averaging Plan 0.50 0.51 0.46 0.38 0.78 -35%

AL E C Gaston Alabama Power Co. 26 3 Averaging Plan 0.50 0.45 0.46 0.38 0.80 -44%

AL E C Gaston Alabama Power Co. 26 4 Averaging Plan 0.50 0.45 0.46 0.38 0.80 -44%

AL E C Gaston Alabama Power Co. 26 5 Averaging Plan 0.45 0.41 0.46 0.38 0.78 -47%

AL Gadsden Alabama Power Co. 7 1 Averaging Plan 0.45 0.51 0.46 0.38 0.51 0%

AL Gadsden Alabama Power Co. 7 2 Averaging Plan 0.45 0.52 0.46 0.38 0.56 -7%

AL Gorgas Alabama Power Co. 8 10 Averaging Plan 0.40 0.31 0.46 0.38 0.73 -58%

AL Gorgas Alabama Power Co. 8 6 Averaging Plan 0.46 0.79 0.46 0.38 0.83 -5%

AL Gorgas Alabama Power Co. 8 7 Averaging Plan 0.46 0.79 0.46 0.38 0.83 -5%

AL Gorgas Alabama Power Co. 8 8 Averaging Plan 0.40 0.41 0.46 0.38 0.55 -25%

AL Gorgas Alabama Power Co. 8 9 Averaging Plan 0.40 0.42 0.46 0.38 0.57 -26%

AL Greene County Alabama Power Co. 10 1 Averaging Plan 0.68 0.65 0.46 0.38 0.92 -29%

AL Greene County Alabama Power Co. 10 2 Averaging Plan 0.46 0.42 0.46 0.38 0.82 -49%

AL James H Miller Jr Alabama Power Co. 6002 1 Averaging Plan 0.46 0.29 0.46 0.38 0.73 -60%

AL James H Miller Jr Alabama Power Co. 6002 2 Averaging Plan 0.46 0.29 0.46 0.38 0.54 -46%

AL James H Miller Jr Alabama Power Co. 6002 3 Averaging Plan 0.46 0.29 0.46 0.38 0.44 -34%

AL James H Miller Jr Alabama Power Co. 6002 4 Averaging Plan 0.46 0.29 0.46 0.38 0.58 -50%

AL Widows Creek Tennessee Valley Authority 50 1 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 2 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 3 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 4 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 5 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 6 Averaging Plan 0.46 0.57 0.58 0.50 0.76 -25%

AL Widows Creek Tennessee Valley Authority 50 7 Averaging Plan 0.40 0.41 0.58 0.50 0.78 -47%

AL Widows Creek Tennessee Valley Authority 50 8 Averaging Plan 0.40 0.39 0.58 0.50 0.63 -38%

AR Flint Creek Power Plant Southwestern Electric Power Co. 6138 1 Early Election 0.46 0.26 0.50 0.31 -16%

AR Independence Entergy Arkansas, Inc. 6641 1 Early Election 0.40 0.24 0.45 0.34 -29%

AR Independence Entergy Arkansas, Inc. 6641 2 Early Election 0.40 0.29 0.45 0.35 -17%

AR White Bluff Entergy Arkansas, Inc. 6009 1 Early Election 0.40 0.35 0.45 0.29 21%

AR White Bluff Entergy Arkansas, Inc. 6009 2 Early Election 0.40 0.32 0.45 0.34 -6%

2002 Compliance Results for Acid Rain NOx Affected Units

1
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

AZ Apache Station Arizona Electric Power Co-op. 160 2 Early Election 0.46 0.45 0.50 0.58 -22%

AZ Apache Station Arizona Electric Power Co-op. 160 3 Early Election 0.46 0.42 0.50 0.58 -28%

AZ Cholla Arizona Public Service Co. 113 1 Early Election 0.40 0.37 0.45 0.46 -20%

AZ Cholla Arizona Public Service Co. 113 2 Early Election 0.40 0.32 0.45 0.42 -24%

AZ Cholla Arizona Public Service Co. 113 3 Early Election 0.40 0.32 0.45 0.36 -11%

AZ Cholla Arizona Public Service Co. 113 4 Early Election 0.40 0.29 0.45 0.38 -24%

AZ Coronado Generating Station Salt River Project AI & P 6177 U1B Early Election 0.46 0.40 0.50 0.51 -22%

AZ Coronado Generating Station Salt River Project AI & P 6177 U2B Early Election 0.46 0.43 0.50 0.51 -16%

AZ Irvington Generating Station Tucson Electric Power Co. 126 4 Standard Limit 0.46 0.44 0.71 -38%

AZ Navajo Generating Station Salt River Project AI & P 4941 1 Early Election 0.40 0.35 0.45 0.41 -15%

AZ Navajo Generating Station Salt River Project AI & P 4941 2 Early Election 0.40 0.35 0.45 0.41 -15%

AZ Navajo Generating Station Salt River Project AI & P 4941 3 Early Election 0.40 0.36 0.45 0.37 -3%

AZ Springerville Generating Station Tucson Electric Power Co. 8223 1 Early Election 0.40 0.41 0.45 0.34 21%

AZ Springerville Generating Station Tucson Electric Power Co. 8223 2 Early Election 0.40 0.39 0.45 0.33 18%

CO Arapahoe Public Service Co. of Colorado 465 1 Averaging Plan 0.80 0.70 0.80 0.50 1.14 -39%

CO Arapahoe Public Service Co. of Colorado 465 2 Averaging Plan 0.80 0.70 0.80 0.50 1.14 -39%

CO Arapahoe Public Service Co. of Colorado 465 3 Averaging Plan 0.80 0.71 0.80 0.50 1.12 -37%

CO Arapahoe Public Service Co. of Colorado 465 4 Averaging Plan 0.80 0.23 0.80 0.50 1.10 -79%

CO Cameo Public Service Co. of Colorado 468 2 Standard Limit 0.46 0.39 0.96 -59%

CO Cherokee Public Service Co. of Colorado 469 1 Averaging Plan 0.80 0.32 0.80 0.51 1.38 -77%

CO Cherokee Public Service Co. of Colorado 469 2 Averaging Plan 0.80 0.78 0.80 0.51 1.67 -53%

CO Cherokee Public Service Co. of Colorado 469 3 Early Election 0.46 0.32 0.50 0.73 -56%

CO Cherokee Public Service Co. of Colorado 469 4 Early Election 0.40 0.36 0.45 0.51 -29%

CO Comanche (470) Public Service Co. of Colorado 470 1 Early Election 0.40 0.33 0.45 0.24 38%

CO Comanche (470) Public Service Co. of Colorado 470 2 Early Election 0.46 0.29 0.50 0.31 -6%

CO Craig Tri-State Generation & Transmission 6021 C1 Early Election 0.46 0.37 0.50 0.39 -5%

CO Craig Tri-State Generation & Transmission 6021 C2 Early Election 0.46 0.39 0.50 0.40 -3%

CO Craig Tri-State Generation & Transmission 6021 C3 Early Election 0.46 0.35 0.50 0.28 25%

CO Hayden Public Service Co. of Colorado 525 H1 Standard Limit 0.46 0.44 0.89 -51%

CO Hayden Public Service Co. of Colorado 525 H2 Standard Limit 0.40 0.36 0.45 -20%

CO Martin Drake Colorado Springs Utilities 492 5 Averaging Plan 0.46 0.40 0.46 0.39 1.09 -63%

CO Martin Drake Colorado Springs Utilities 492 6 Averaging Plan 0.46 0.37 0.46 0.39 0.83 -55%

CO Martin Drake Colorado Springs Utilities 492 7 Averaging Plan 0.46 0.40 0.46 0.39 0.93 -57%

CO Pawnee Public Service Co. of Colorado 6248 1 Early Election 0.46 0.23 0.50 0.62 -63%

CO Rawhide Energy Station Platte River Power Authority 6761 101 Early Election 0.40 0.33 0.45 0.43 -23%

CO Ray D Nixon Colorado Springs Utilities 8219 1 Early Election 0.46 0.31 0.50 0.54 -43%

CO Valmont Public Service Co. of Colorado 477 5 Early Election 0.40 0.31 0.45 0.17 82%

CT Bridgeport Harbor Station PSEG Power Connecticut, LLC 568 BHB3 Early Election 0.40 0.20 0.45 0.56 -64%

DE Edge Moor Conectiv Delmarva Generation, Inc 593 3 Standard Limit 0.40 0.27 0.74 -64%

DE Edge Moor Conectiv Delmarva Generation, Inc 593 4 Standard Limit 0.40 0.22 0.55 -60%

DE Indian River Conectiv Delmarva Generation, Inc 594 1 Standard Limit 0.46 0.38 0.81 -53%

DE Indian River Conectiv Delmarva Generation, Inc 594 2 Standard Limit 0.46 0.33 0.81 -59%

DE Indian River Conectiv Delmarva Generation, Inc 594 3 Standard Limit 0.46 0.28 0.97 -71%

DE Indian River Conectiv Delmarva Generation, Inc 594 4 Standard Limit 0.46 0.30 0.57 -47%

2
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

FL Big Bend Tampa Electric Co. 645 BB01 Averaging Plan 0.84 0.69 0.75 0.63 1.24 -44%

FL Big Bend Tampa Electric Co. 645 BB02 Averaging Plan 0.84 0.69 0.75 0.63 1.26 -45%

FL Big Bend Tampa Electric Co. 645 BB03 Averaging Plan 0.84 0.57 0.75 0.63 0.64 -11%

FL Big Bend Tampa Electric Co. 645 BB04 Averaging Plan 0.45 0.43 0.75 0.63 0.46 -7%

FL C D McIntosh City of Lakeland 676 3 Early Election 0.46 0.46 0.50 0.46 0%

FL Crist Electric Generating Plant Gulf Power Co. 641 4 Averaging Plan 0.45 0.38 0.46 0.38 0.43 -12%

FL Crist Electric Generating Plant Gulf Power Co. 641 5 Averaging Plan 0.45 0.40 0.46 0.38 0.49 -18%

FL Crist Electric Generating Plant Gulf Power Co. 641 6 Averaging Plan 0.50 0.49 0.46 0.38 1.04 -53%

FL Crist Electric Generating Plant Gulf Power Co. 641 7 Averaging Plan 0.50 0.49 0.46 0.38 1.16 -58%

FL Crystal River Florida Power Corporation 628 1 Standard Limit 0.40 0.38 0.79 -52%

FL Crystal River Florida Power Corporation 628 2 Early Election 0.40 0.44 0.45 0.38 16%

FL Crystal River Florida Power Corporation 628 4 Early Election 0.46 0.48 0.50 0.50 -4%

FL Crystal River Florida Power Corporation 628 5 Early Election 0.46 0.49 0.50 0.47 4%

FL Curtis H. Stanton Energy Center Orlando Utilities Commission 564 1 Standard Limit 0.46 0.41 0.43 -5%

FL Deerhaven Gainesville Regional Utilities 663 B2 Early Election 0.46 0.45 0.50 0.53 -15%

FL F J Gannon Tampa Electric Co. 646 GB03 Averaging Plan 0.86 0.80 0.75 0.63 1.52 -47%

FL F J Gannon Tampa Electric Co. 646 GB04 Averaging Plan 0.86 0.80 0.75 0.63 1.48 -46%

FL F J Gannon Tampa Electric Co. 646 GB05 Averaging Plan 0.84 0.65 0.75 0.63 1.26 -48%

FL F J Gannon Tampa Electric Co. 646 GB06 Averaging Plan 0.84 0.73 0.75 0.63 1.61 -55%

FL Lansing Smith Generating Plant Gulf Power Co. 643 1 Averaging Plan 0.40 0.48 0.46 0.38 0.71 -32%

FL Lansing Smith Generating Plant Gulf Power Co. 643 2 Averaging Plan 0.40 0.37 0.46 0.38 0.63 -41%

FL Scholz Electric Generating Plant Gulf Power Co. 642 1 Averaging Plan 0.50 0.53 0.46 0.38 0.69 -23%

FL Scholz Electric Generating Plant Gulf Power Co. 642 2 Averaging Plan 0.50 0.58 0.46 0.38 0.80 -28%

FL Seminole (136) Seminole Electric Co-op., Inc. 136 1 Early Election 0.46 0.44 0.50 0.43 2%

FL Seminole (136) Seminole Electric Co-op., Inc. 136 2 Early Election 0.46 0.46 0.50 0.36 28%

FL St. Johns River Power Jacksonville Electric Authority 207 1 Early Election 0.46 0.47 0.50 0.50 -6%

FL St. Johns River Power Jacksonville Electric Authority 207 2 Early Election 0.46 0.49 0.50 0.59 -17%

GA Arkwright Georgia Power Co. 699 1 Averaging Plan 0.45 0.85 0.46 0.38 0.90 -6%

GA Arkwright Georgia Power Co. 699 2 Averaging Plan 0.45 0.85 0.46 0.38 0.90 -6%

GA Arkwright Georgia Power Co. 699 3 Averaging Plan 0.50 0.85 0.46 0.38 0.90 -6%

GA Arkwright Georgia Power Co. 699 4 Averaging Plan 0.50 0.85 0.46 0.38 0.90 -6%

GA Bowen Georgia Power Co. 703 1BLR Averaging Plan 0.45 0.26 0.46 0.38 0.67 -61%

GA Bowen Georgia Power Co. 703 2BLR Averaging Plan 0.45 0.27 0.46 0.38 0.65 -58%

GA Bowen Georgia Power Co. 703 3BLR Averaging Plan 0.45 0.42 0.46 0.38 0.56 -25%

GA Bowen Georgia Power Co. 703 4BLR Averaging Plan 0.45 0.41 0.46 0.38 0.58 -29%

GA Hammond Georgia Power Co. 708 1 Averaging Plan 0.50 0.61 0.46 0.38 0.84 -27%

GA Hammond Georgia Power Co. 708 2 Averaging Plan 0.50 0.61 0.46 0.38 0.84 -27%

GA Hammond Georgia Power Co. 708 3 Averaging Plan 0.50 0.61 0.46 0.38 0.84 -27%

GA Hammond Georgia Power Co. 708 4 Averaging Plan 0.50 0.25 0.46 0.38 1.20 -79%

GA Harllee Branch Georgia Power Co. 709 1 Averaging Plan 0.68 0.73 0.46 0.38 1.18 -38%

GA Harllee Branch Georgia Power Co. 709 2 Averaging Plan 0.50 0.55 0.46 0.38 0.99 -44%

GA Harllee Branch Georgia Power Co. 709 3 Averaging Plan 0.68 0.59 0.46 0.38 1.04 -43%

GA Harllee Branch Georgia Power Co. 709 4 Averaging Plan 0.68 0.59 0.46 0.38 1.04 -43%

GA Jack McDonough Georgia Power Co. 710 MB1 Averaging Plan 0.45 0.30 0.46 0.38 0.66 -55%

3
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

GA Jack McDonough Georgia Power Co. 710 MB2 Averaging Plan 0.45 0.30 0.46 0.38 0.60 -50%

GA Kraft Savannah Electric & Power Co. 733 1 Averaging Plan 0.45 0.51 0.46 0.38 0.40 28%

GA Kraft Savannah Electric & Power Co. 733 2 Averaging Plan 0.45 0.51 0.46 0.38 0.40 28%

GA Kraft Savannah Electric & Power Co. 733 3 Averaging Plan 0.45 0.51 0.46 0.38 0.40 28%

GA McIntosh (6124) Savannah Electric & Power Co. 6124 1 Averaging Plan 0.50 0.77 0.46 0.38 0.83 -7%

GA Mitchell (GA) Georgia Power Co. 727 3 Averaging Plan 0.45 0.61 0.46 0.38 0.61 0%

GA Scherer Georgia Power Co. 6257 1 Averaging Plan 0.40 0.32 0.46 0.38 0.52 -38%

GA Scherer Georgia Power Co. 6257 2 Averaging Plan 0.40 0.29 0.46 0.38 0.35 -17%

GA Scherer Georgia Power Co. 6257 3 Averaging Plan 0.45 0.17 0.46 0.38 0.20 -15%

GA Scherer Georgia Power Co. 6257 4 Averaging Plan/EE 0.40 0.26 0.45 0.46 0.38 0.21 24%

GA Wansley (6052) Georgia Power Co. 6052 1 Averaging Plan 0.45 0.40 0.46 0.38 0.73 -45%

GA Wansley (6052) Georgia Power Co. 6052 2 Averaging Plan 0.45 0.38 0.46 0.38 0.67 -43%

GA Yates Georgia Power Co. 728 Y1BR Averaging Plan 0.45 0.41 0.00 0.46 0.38 0.56 -27%

GA Yates Georgia Power Co. 728 Y2BR Averaging Plan 0.45 0.42 0.46 0.38 0.62 -32%

GA Yates Georgia Power Co. 728 Y3BR Averaging Plan 0.45 0.42 0.46 0.38 0.62 -32%

GA Yates Georgia Power Co. 728 Y4BR Averaging Plan 0.45 0.39 0.46 0.38 0.56 -30%

GA Yates Georgia Power Co. 728 Y5BR Averaging Plan 0.45 0.39 0.46 0.38 0.65 -40%

GA Yates Georgia Power Co. 728 Y6BR Averaging Plan 0.45 0.26 0.46 0.38 0.67 -61%

GA Yates Georgia Power Co. 728 Y7BR Averaging Plan 0.45 0.28 0.46 0.38 0.61 -54%

IA Ames City of Ames 1122 7 Early Election 0.40 0.35 0.45 0.60 -42%

IA Ames City of Ames 1122 8 Early Election 0.46 0.42 0.50 0.55 -24%

IA Burlington (IA) IES Utilities, Inc 1104 1 Averaging Plan 0.45 0.17 0.46 0.35 0.63 -73%

IA Council Bluffs MidAmerican Energy Co. 1082 1 Early Election 0.46 0.46 0.50 0.56 -18%

IA Council Bluffs MidAmerican Energy Co. 1082 2 Early Election 0.40 0.37 0.45 0.33 12%

IA Council Bluffs MidAmerican Energy Co. 1082 3 Early Election 0.46 0.43 0.50 0.37 16%

IA Dubuque Interstate Power Co. 1046 1 Averaging Plan 0.46 0.68 0.46 0.35 0.69 -1%

IA Dubuque Interstate Power Co. 1046 5 Averaging Plan 0.46 1.01 0.46 0.35 0.80 26%

IA Earl F Wisdom Corn Belt Power Co-op. 1217 1 AEL 0.46 0.56 0.59 1.11 -50%

IA Fair Station Central Iowa Power Co-op. 1218 2 Standard Limit 0.46 0.41 0.97 -58%

IA George Neal North MidAmerican Energy Co. 1091 2 Early Election 0.46 0.42 0.50 1.06 -60%

IA George Neal North MidAmerican Energy Co. 1091 3 Early Election 0.46 0.46 0.50 0.39 18%

IA George Neal South MidAmerican Energy Co. 7343 4 Early Election 0.46 0.35 0.50 0.64 -45%

IA Lansing Interstate Power Co. 1047 1 Averaging Plan 0.46 0.67 0.46 0.35 0.80 -16%

IA Lansing Interstate Power Co. 1047 2 Averaging Plan 0.46 0.67 0.46 0.35 0.80 -16%

IA Lansing Interstate Power Co. 1047 3 Averaging Plan 0.46 0.64 0.46 0.35 1.03 -38%

IA Lansing Interstate Power Co. 1047 4 Early Election 0.46 0.39 0.50 0.50 -22%

IA Louisa MidAmerican Energy Co. 6664 101 Early Election 0.46 0.31 0.50 0.25 24%

IA Milton L Kapp Interstate Power Co. 1048 2 Averaging Plan 0.45 0.14 0.46 0.35 0.80 -83%

IA Muscatine City of Muscatine 1167 9 Standard Limit 0.40 0.28 0.35 -20%

IA Ottumwa IES Utilities, Inc 6254 1 Early Election 0.40 0.31 0.45 0.69 -55%

IA Prairie Creek IES Utilities, Inc 1073 3 Averaging Plan 0.46 0.46 0.46 0.35 0.83 -45%

IA Prairie Creek IES Utilities, Inc 1073 4 Averaging Plan 0.50 0.34 0.46 0.35 1.05 -68%

IA Riverside (1081) MidAmerican Energy Co. 1081 9 Standard Limit 0.45 0.39 0.82 -52%

IA Sixth Street IES Utilities, Inc 1058 2 Averaging Plan 0.46 0.44 0.46 0.35 Not Oper.

4
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

IA Sixth Street IES Utilities, Inc 1058 3 Averaging Plan 0.46 0.58 0.46 0.35 Not Oper.

IA Sixth Street IES Utilities, Inc 1058 4 Averaging Plan 0.46 0.61 0.46 0.35 Not Oper.

IA Sixth Street IES Utilities, Inc 1058 5 Averaging Plan 0.46 0.58 0.46 0.35 Not Oper.

IA Sutherland IES Utilities, Inc 1077 1 Averaging Plan 0.46 0.55 0.46 0.35 0.48 15%

IA Sutherland IES Utilities, Inc 1077 2 Averaging Plan 0.46 0.53 0.46 0.35 0.48 10%

IL Baldwin Dynegy Midwest Generation, Inc. 889 1 Standard Limit 0.86 0.55 1.70 -68%

IL Baldwin Dynegy Midwest Generation, Inc. 889 2 Standard Limit 0.86 0.40 1.47 -73%

IL Baldwin Dynegy Midwest Generation, Inc. 889 3 Standard Limit 0.45 0.12 0.67 -82%

IL Coffeen Ameren Energy Generating Co. 861 01 Averaging Plan 0.86 0.55 0.86 0.55 1.23 -55%

IL Coffeen Ameren Energy Generating Co. 861 02 Averaging Plan 0.86 0.55 0.86 0.55 1.23 -55%

IL Crawford Midwest Generation EME, LLC 867 7 Early Election 0.40 0.22 0.45 0.33 -33%

IL Crawford Midwest Generation EME, LLC 867 8 Early Election 0.40 0.22 0.45 0.48 -54%

IL Dallman City of Springfield, IL 963 33 Early Election 0.40 0.44 0.45 0.55 -20%

IL Duck Creek Central Illinois Light Co. 6016 1 AEL 0.46 0.46 0.58 0.90 -49%

IL E D Edwards Central Illinois Light Co. 856 1 Standard Limit 0.46 0.41 0.98 -58%

IL E D Edwards Central Illinois Light Co. 856 2 Standard Limit 0.46 0.45 1.00 -55%

IL E D Edwards Central Illinois Light Co. 856 3 AEL 0.46 0.44 0.53 1.25 -65%

IL Fisk Midwest Generation EME, LLC 886 19 Early Election 0.40 0.34 0.45 0.39 -13%

IL Grand Tower Ameren Energy Generating Co. 862 07 Standard Limit 0.50 Not Oper. 0.78

IL Grand Tower Ameren Energy Generating Co. 862 08 Standard Limit 0.50 Not Oper. 0.96

IL Grand Tower Ameren Energy Generating Co. 862 09 Standard Limit 0.50 Not Oper. 0.64

IL Havana Dynegy Midwest Generation, Inc. 891 9 Standard Limit 0.46 0.28 0.46 -39%

IL Hennepin Dynegy Midwest Generation, Inc. 892 1 Averaging Plan 0.40 0.33 0.44 0.35 0.57 -42%

IL Hennepin Dynegy Midwest Generation, Inc. 892 2 Averaging Plan 0.45 0.33 0.44 0.35 0.59 -44%

IL Hutsonville Ameren Energy Generating Co. 863 05 Averaging Plan 0.45 0.56 0.45 0.21 0.70 -20%

IL Hutsonville Ameren Energy Generating Co. 863 06 Averaging Plan 0.45 0.52 0.45 0.21 0.67 -22%

IL Joliet 29 Midwest Generation EME, LLC 384 71 Standard Limit 0.40 0.12 0.32 -63%

IL Joliet 29 Midwest Generation EME, LLC 384 72 Standard Limit 0.40 0.12 0.32 -63%

IL Joliet 29 Midwest Generation EME, LLC 384 81 Standard Limit 0.40 0.14 0.46 -70%

IL Joliet 29 Midwest Generation EME, LLC 384 82 Standard Limit 0.40 0.14 0.46 -70%

IL Joliet 9 Midwest Generation EME, LLC 874 5 Standard Limit 0.86 0.33 0.91 -64%

IL Joppa Steam Electric Energy, Inc. 887 1 Standard Limit 0.45 0.13 0.56 -77%

IL Joppa Steam Electric Energy, Inc. 887 2 Standard Limit 0.45 0.13 0.56 -77%

IL Joppa Steam Electric Energy, Inc. 887 3 Standard Limit 0.45 0.13 0.56 -77%

IL Joppa Steam Electric Energy, Inc. 887 4 Standard Limit 0.45 0.13 0.56 -77%

IL Joppa Steam Electric Energy, Inc. 887 5 Standard Limit 0.45 0.12 0.56 -79%

IL Joppa Steam Electric Energy, Inc. 887 6 Standard Limit 0.45 0.12 0.56 -79%

IL Kincaid Station Dominion Energy Services Co. 876 1 Standard Limit 0.86 0.65 1.47 -56%

IL Kincaid Station Dominion Energy Services Co. 876 2 Standard Limit 0.86 0.65 1.47 -56%

IL Marion Southern Illinois Power Co-op. 976 4 Standard Limit 0.86 0.83 1.15 -28%

IL Meredosia Ameren Energy Generating Co. 864 01 Averaging Plan 0.45 0.49 0.45 0.21 0.50 -2%

IL Meredosia Ameren Energy Generating Co. 864 02 Averaging Plan 0.45 0.49 0.45 0.21 0.50 -2%

IL Meredosia Ameren Energy Generating Co. 864 03 Averaging Plan 0.45 0.49 0.45 0.21 0.50 -2%

IL Meredosia Ameren Energy Generating Co. 864 04 Averaging Plan 0.45 0.49 0.45 0.21 0.50 -2%

5
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

IL Meredosia Ameren Energy Generating Co. 864 05 Averaging Plan 0.45 0.47 0.45 0.21 0.67 -30%

IL Newton Ameren Energy Generating Co. 6017 1 Averaging Plan 0.45 0.14 0.45 0.21 0.47 -70%

IL Newton Ameren Energy Generating Co. 6017 2 Averaging Plan 0.45 0.11 0.45 0.21 0.39 -72%

IL Powerton Midwest Generation EME, LLC 879 51 Standard Limit 0.86 0.70 0.92 -24%

IL Powerton Midwest Generation EME, LLC 879 52 Standard Limit 0.86 0.70 0.92 -24%

IL Powerton Midwest Generation EME, LLC 879 61 Standard Limit 0.86 0.70 0.92 -24%

IL Powerton Midwest Generation EME, LLC 879 62 Standard Limit 0.86 0.70 0.92 -24%

IL Vermilion Dynegy Midwest Generation, Inc. 897 1 Averaging Plan 0.45 0.38 0.44 0.35 0.94 -60%

IL Vermilion Dynegy Midwest Generation, Inc. 897 2 Averaging Plan 0.45 0.38 0.44 0.35 0.74 -49%

IL Waukegan Midwest Generation EME, LLC 883 7 Early Election 0.40 0.15 0.45 0.26 -42%

IL Waukegan Midwest Generation EME, LLC 883 8 Early Election 0.40 0.14 0.45 0.41 -66%

IL Will County Midwest Generation EME, LLC 884 1 Standard Limit 0.86 0.83 0.89 -7%

IL Will County Midwest Generation EME, LLC 884 2 Standard Limit 0.86 0.78 0.87 -10%

IL Will County Midwest Generation EME, LLC 884 3 Early Election 0.40 0.18 0.45 0.39 -54%

IL Will County Midwest Generation EME, LLC 884 4 Early Election 0.40 0.16 0.45 0.31 -48%

IL Wood River Dynegy Midwest Generation, Inc. 898 4 Standard Limit 0.40 0.18 0.70 -74%

IL Wood River Dynegy Midwest Generation, Inc. 898 5 Standard Limit 0.40 0.22 0.61 -64%

IN A B Brown Generating Station SIGECO 6137 1 Early Election 0.46 0.41 0.50 0.61 -33%

IN A B Brown Generating Station SIGECO 6137 2 Early Election 0.46 0.47 0.50 0.39 21%

IN Bailly Generating Station Northern Indiana Public Service Co. 995 7 Averaging Plan 0.86 1.00 0.75 0.63 1.51 -34%

IN Bailly Generating Station Northern Indiana Public Service Co. 995 8 Averaging Plan 0.86 1.00 0.75 0.63 1.51 -34%

IN Cayuga PSI Energy, Inc. 1001 1 Averaging Plan 0.45 0.28 0.49 0.41 0.42 -33%

IN Cayuga PSI Energy, Inc. 1001 2 Averaging Plan 0.45 0.27 0.49 0.41 0.47 -43%

IN Clifty Creek Indiana Kentucky Electric Corp 983 1 Averaging Plan 0.84 0.71 0.84 0.74 1.68 -58%

IN Clifty Creek Indiana Kentucky Electric Corp 983 2 Averaging Plan 0.84 0.71 0.84 0.74 1.68 -58%

IN Clifty Creek Indiana Kentucky Electric Corp 983 3 Averaging Plan 0.84 0.71 0.84 0.74 1.68 -58%

IN Clifty Creek Indiana Kentucky Electric Corp 983 4 Averaging Plan 0.84 0.71 0.84 0.74 1.88 -62%

IN Clifty Creek Indiana Kentucky Electric Corp 983 5 Averaging Plan 0.84 0.71 0.84 0.74 1.88 -62%

IN Clifty Creek Indiana Kentucky Electric Corp 983 6 Averaging Plan 0.84 0.71 0.84 0.74 1.88 -62%

IN Dean H Mitchell Generating Station Northern Indiana Public Service Co. 996 11 Early Election 0.46 0.26 0.50 0.58 -55%

IN Dean H Mitchell Generating Station Northern Indiana Public Service Co. 996 4 Early Election 0.40 Not Oper. 0.45 0.43

IN Dean H Mitchell Generating Station Northern Indiana Public Service Co. 996 5 Early Election 0.40 Not Oper. 0.45 0.43

IN Dean H Mitchell Generating Station Northern Indiana Public Service Co. 996 6 Early Election 0.40 Not Oper. 0.45 0.58

IN Eagle Valley (H T Pritchard) AES Indianapolis Power & Light 991 3 Averaging Plan 0.45 0.75 0.45 0.33 0.74 1%

IN Eagle Valley (H T Pritchard) AES Indianapolis Power & Light 991 4 Averaging Plan 0.45 0.75 0.45 0.33 0.74 1%

IN Eagle Valley (H T Pritchard) AES Indianapolis Power & Light 991 5 Averaging Plan 0.45 0.43 0.45 0.33 0.67 -36%

IN Eagle Valley (H T Pritchard) AES Indianapolis Power & Light 991 6 Averaging Plan 0.45 0.43 0.45 0.33 0.47 -9%

IN Edwardsport PSI Energy, Inc. 1004 7-1 Averaging Plan 0.46 0.71 0.49 0.41 0.77 -8%

IN Edwardsport PSI Energy, Inc. 1004 7-2 Averaging Plan 0.46 0.66 0.49 0.41 0.98 -33%

IN Edwardsport PSI Energy, Inc. 1004 8-1 Averaging Plan 0.46 0.59 0.49 0.41 0.76 -22%

IN F B Culley Generating Station SIGECO 1012 1 Averaging Plan 0.46 0.84 0.50 0.47 0.79 6%

IN F B Culley Generating Station SIGECO 1012 2 Averaging Plan 0.50 0.43 0.50 0.47 1.05 -59%

IN F B Culley Generating Station SIGECO 1012 3 Averaging Plan 0.50 0.43 0.50 0.47 1.23 -65%

IN Frank E Ratts Hoosier Energy REC, Inc. 1043 1SG1 Averaging Plan 0.50 0.47 0.47 0.39 1.08 -56%

6
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

IN Frank E Ratts Hoosier Energy REC, Inc. 1043 2SG1 Averaging Plan 0.50 0.49 0.47 0.39 1.09 -55%

IN Gibson PSI Energy, Inc. 6113 1 Averaging Plan 0.50 0.35 0.49 0.41 1.03 -66%

IN Gibson PSI Energy, Inc. 6113 2 Averaging Plan 0.50 0.35 0.49 0.41 1.12 -69%

IN Gibson PSI Energy, Inc. 6113 3 Averaging Plan 0.50 0.28 0.49 0.41 0.52 -46%

IN Gibson PSI Energy, Inc. 6113 4 Averaging Plan 0.50 0.52 0.49 0.41 0.66 -21%

IN Gibson PSI Energy, Inc. 6113 5 Averaging Plan 0.46 0.48 0.49 0.41 0.50 -4%

IN Harding Street Station (EW Stout) Indianapolis Power & Light Co. 990 50 Averaging Plan 0.45 0.37 0.45 0.33 0.63 -41%

IN Harding Street Station (EW Stout) Indianapolis Power & Light Co. 990 60 Averaging Plan 0.45 0.36 0.45 0.33 0.65 -45%

IN Harding Street Station (EW Stout) Indianapolis Power & Light Co. 990 70 Averaging Plan 0.45 0.33 0.45 0.33 0.71 -54%

IN Merom Hoosier Energy REC, Inc. 6213 1SG1 Averaging Plan/EE 0.46 0.38 0.50 0.47 0.39 0.23 65%

IN Merom Hoosier Energy REC, Inc. 6213 2SG1 Averaging Plan/EE 0.46 0.36 0.50 0.47 0.39 0.63 -43%

IN Michigan City Generating Station Northern Indiana Public Service Co. 997 12 Averaging Plan 0.86 0.68 0.75 0.63 1.32 -48%

IN Noblesville PSI Energy, Inc. 1007 1 Averaging Plan 0.46 0.99 0.49 0.41 0.62 60%

IN Noblesville PSI Energy, Inc. 1007 2 Averaging Plan 0.46 0.88 0.49 0.41 0.91 -3%

IN Noblesville PSI Energy, Inc. 1007 3 Averaging Plan 0.46 0.83 0.49 0.41 1.21 -31%

IN Petersburg Indianapolis Power & Light an AES Co. 994 1 Averaging Plan 0.45 0.30 0.45 0.33 0.56 -46%

IN Petersburg Indianapolis Power & Light an AES Co. 994 2 Averaging Plan 0.45 0.28 0.45 0.33 0.63 -56%

IN Petersburg Indianapolis Power & Light an AES Co. 994 3 Averaging Plan 0.45 0.41 0.45 0.33 0.37 11%

IN Petersburg Indianapolis Power & Light an AES Co. 994 4 Averaging Plan 0.45 0.22 0.45 0.33 0.37 -41%

IN R Gallagher PSI Energy, Inc. 1008 1 Averaging Plan 0.50 0.41 0.49 0.41 0.74 -45%

IN R Gallagher PSI Energy, Inc. 1008 2 Averaging Plan 0.50 0.41 0.49 0.41 0.95 -57%

IN R Gallagher PSI Energy, Inc. 1008 3 Averaging Plan 0.50 0.39 0.49 0.41 0.95 -59%

IN R Gallagher PSI Energy, Inc. 1008 4 Averaging Plan 0.50 0.39 0.49 0.41 0.95 -59%

IN R M Schahfer Generating Station Northern Indiana Public Service Co. 6085 14 Averaging Plan 0.86 0.58 0.75 0.63 1.33 -56%

IN R M Schahfer Generating Station Northern Indiana Public Service Co. 6085 15 Averaging Plan/EE 0.46 0.22 0.50 0.75 0.63 0.42 -48%

IN R M Schahfer Generating Station Northern Indiana Public Service Co. 6085 17 Early Election 0.40 0.34 0.45 0.46 -26%

IN R M Schahfer Generating Station Northern Indiana Public Service Co. 6085 18 Early Election 0.40 0.32 0.45 0.44 -27%

IN Rockport Indiana Michigan Power Co. 6166 MB1 Averaging Plan/EE 0.46 0.41 0.50 0.59 0.53 0.32 28%

IN Rockport Indiana Michigan Power Co. 6166 MB2 Averaging Plan/EE 0.46 0.41 0.50 0.59 0.53 0.32 28%

IN State Line Generating Station (IN) State Line Energy, LLC 981 3 Averaging Plan/EE 0.40 0.22 0.45 0.68 0.44 0.32 -31%

IN State Line Generating Station (IN) State Line Energy, LLC 981 4 Averaging Plan 0.86 0.59 0.68 0.44 0.75 -21%

IN Tanners Creek Indiana Michigan Power Co. 988 U1 Averaging Plan 0.80 0.58 0.59 0.53 1.14 -49%

IN Tanners Creek Indiana Michigan Power Co. 988 U2 Averaging Plan 0.80 0.58 0.59 0.53 1.14 -49%

IN Tanners Creek Indiana Michigan Power Co. 988 U3 Averaging Plan 0.80 0.58 0.59 0.53 1.14 -49%

IN Tanners Creek Indiana Michigan Power Co. 988 U4 Averaging Plan 0.86 0.64 0.59 0.53 1.91 -66%

IN Wabash River PSI Energy, Inc. 1010 1 Averaging Plan 0.50 0.09 0.49 0.41 0.95 -91%

IN Wabash River PSI Energy, Inc. 1010 2 Averaging Plan 0.50 0.51 0.49 0.41 0.95 -46%

IN Wabash River PSI Energy, Inc. 1010 3 Averaging Plan 0.50 0.60 0.49 0.41 0.92 -35%

IN Wabash River PSI Energy, Inc. 1010 4 Averaging Plan 0.46 0.61 0.49 0.41 Not Oper.

IN Wabash River PSI Energy, Inc. 1010 5 Averaging Plan 0.50 0.58 0.49 0.41 0.85 -32%

IN Wabash River PSI Energy, Inc. 1010 6 Averaging Plan 0.45 0.35 0.49 0.41 0.37 -5%

IN Warrick Alco, Inc. 6705 4 Standard Limit 0.68 0.48 1.00 -52%

IN Whitewater Valley City of Richmond 1040 1 Early Election 0.46 0.42 0.50 0.71 -41%

IN Whitewater Valley City of Richmond 1040 2 Early Election 0.40 0.42 0.45 0.71 -41%

7
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

KS Holcomb SEP Corporation dba Sunflower Electric Power 108 SGU1 Standard Limit 0.46 0.28 0.32 -13%

KS Jeffrey Energy Center Western Resources, Inc. 6068 1 Averaging Plan 0.40 0.34 0.40 0.32 0.36 -6%

KS Jeffrey Energy Center Western Resources, Inc. 6068 2 Averaging Plan 0.40 0.34 0.40 0.32 0.47 -28%

KS Jeffrey Energy Center Western Resources, Inc. 6068 3 Averaging Plan 0.40 0.32 0.40 0.32 0.46 -30%

KS La Cygne Kansas City Power & Light Co. 1241 1 Averaging Plan 0.86 1.07 0.68 0.68 1.09 -2%

KS La Cygne Kansas City Power & Light Co. 1241 2 Averaging Plan 0.50 0.29 0.68 0.68 0.29 0%

KS Lawrence Energy Center Western Resources, Inc. 1250 3 Averaging Plan 0.40 0.27 0.40 0.32 0.45 -40%

KS Lawrence Energy Center Western Resources, Inc. 1250 4 Averaging Plan 0.40 0.37 0.40 0.32 0.51 -27%

KS Lawrence Energy Center Western Resources, Inc. 1250 5 Averaging Plan 0.40 0.22 0.40 0.32 0.34 -35%

KS Nearman Creek Kansas City Bd. of Public Utilities 6064 N1 Early Election 0.46 0.40 0.50 0.46 -13%

KS Quindaro Kansas City Bd. of Public Utilities 1295 1 Standard Limit 0.86 0.79 0.97 -19%

KS Quindaro Kansas City Bd. of Public Utilities 1295 2 Standard Limit 0.50 0.25 0.64 -61%

KS Riverton Empire District Electric Co. 1239 39 Early Election 0.46 0.44 0.50 0.83 -47%

KS Riverton Empire District Electric Co. 1239 40 Early Election 0.40 0.43 0.45 0.55 -22%

KS Tecumseh Energy Center Western Resources, Inc. 1252 10 Averaging Plan 0.40 0.31 0.40 0.32 0.44 -30%

KS Tecumseh Energy Center Western Resources, Inc. 1252 9 Averaging Plan 0.40 0.40 0.40 0.32 0.42 -5%

KY Big Sandy Kentucky Power Co. 1353 BSU1 Averaging Plan 0.46 0.45 0.59 0.53 1.33 -66%

KY Big Sandy Kentucky Power Co. 1353 BSU2 Averaging Plan/AEL 0.46 0.60 0.57 0.59 0.53 1.33 -55%

KY Cane Run Louisville Gas and Electric Co. 1363 4 Early Election 0.46 0.44 0.50 0.84 -48%

KY Cane Run Louisville Gas and Electric Co. 1363 5 Early Election 0.46 0.45 0.50 1.15 -61%

KY Cane Run Louisville Gas and Electric Co. 1363 6 Early Election 0.40 0.25 0.45 1.02 -75%

KY Coleman Western Kentucky Energy Corporation 1381 C1 Averaging Plan 0.50 0.43 0.49 0.43 1.41 -70%

KY Coleman Western Kentucky Energy Corporation 1381 C2 Averaging Plan 0.50 0.42 0.49 0.43 1.29 -67%

KY Coleman Western Kentucky Energy Corporation 1381 C3 Averaging Plan 0.50 0.40 0.49 0.43 1.14 -65%

KY D B Wilson Western Kentucky Energy Corporation 6823 W1 Averaging Plan 0.46 0.46 0.50 0.49 0.43 0.56 -18%

KY E W Brown Louisville Gas and Electric Co. 1355 1 Averaging Plan 0.50 0.44 0.45 0.35 1.00 -56%

KY E W Brown Louisville Gas and Electric Co. 1355 2 Averaging Plan 0.45 0.39 0.45 0.35 0.59 -34%

KY E W Brown Louisville Gas and Electric Co. 1355 3 Averaging Plan 0.45 0.39 0.45 0.35 0.57 -32%

KY East Bend Cincinnati Gas & Electric Co. 6018 2 Averaging Plan 0.50 0.29 0.49 0.41 0.31 -6%

KY Elmer Smith Owensboro Municipal Utilities 1374 2 Standard Limit 0.45 0.41 0.86 -52%

KY Ghent Kentucky Utilities Co. 1356 1 Averaging Plan 0.45 0.42 0.45 0.35 0.56 -25%

KY Ghent Kentucky Utilities Co. 1356 2 Averaging Plan 0.40 0.27 0.45 0.35 0.54 -50%

KY Ghent Kentucky Utilities Co. 1356 3 Averaging Plan 0.46 0.29 0.45 0.35 0.55 -47%

KY Ghent Kentucky Utilities Co. 1356 4 Averaging Plan 0.46 0.29 0.45 0.35 0.55 -47%

KY Green River Kentucky Utilities Co. 1357 1 Averaging Plan 0.46 0.73 0.45 0.35 0.65 12%

KY Green River Kentucky Utilities Co. 1357 2 Averaging Plan 0.46 0.73 0.45 0.35 0.65 12%

KY Green River Kentucky Utilities Co. 1357 3 Averaging Plan 0.46 0.73 0.45 0.35 0.65 12%

KY Green River Kentucky Utilities Co. 1357 4 Averaging Plan 0.46 0.52 0.45 0.35 0.99 -47%

KY Green River Kentucky Utilities Co. 1357 5 Averaging Plan 0.50 0.40 0.45 0.35 0.84 -52%

KY H L Spurlock East Kentucky Power Co-op. 6041 1 Standard Limit 0.50 0.40 0.90 -56%

KY H L Spurlock East Kentucky Power Co-op. 6041 2 Early Election 0.40 0.19 0.45 0.47 -60%

KY HMP&L Station 2 WKE Station Two, Inc. 1382 H1 Averaging Plan 0.50 0.47 0.49 0.43 1.34 -65%

KY HMP&L Station 2 WKE Station Two, Inc. 1382 H2 Averaging Plan 0.50 0.47 0.49 0.43 1.34 -65%

KY John S. Cooper East Kentucky Power Co-op. 1384 1 Standard Limit 0.50 0.45 0.90 -50%

8
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

KY John S. Cooper East Kentucky Power Co-op. 1384 2 Standard Limit 0.50 0.45 0.90 -50%

KY Mill Creek Louisville Gas and Electric Co. 1364 1 Early Election 0.40 0.27 0.45 0.76 -64%

KY Mill Creek Louisville Gas and Electric Co. 1364 2 Early Election 0.40 0.26 0.45 0.79 -67%

KY Mill Creek Louisville Gas and Electric Co. 1364 3 Early Election 0.46 0.37 0.50 0.62 -40%

KY Mill Creek Louisville Gas and Electric Co. 1364 4 Early Election 0.46 0.30 0.50 0.57 -47%

KY Paradise Tennessee Valley Authority 1378 1 Averaging Plan 0.86 0.46 0.58 0.50 1.83 -75%

KY Paradise Tennessee Valley Authority 1378 2 Averaging Plan 0.86 0.49 0.58 0.50 1.72 -72%

KY Paradise Tennessee Valley Authority 1378 3 Averaging Plan 0.86 0.78 0.58 0.50 1.94 -60%

KY Pineville Kentucky Utilities Co. 1360 3 Averaging Plan 0.46 Not Oper. 0.45 0.35 0.83

KY R D Green Western Kentucky Energy Corporation 6639 G1 Averaging Plan 0.50 0.40 0.49 0.43 0.41 -2%

KY R D Green Western Kentucky Energy Corporation 6639 G2 Averaging Plan 0.50 0.36 0.49 0.43 0.45 -20%

KY Robert Reid WKE Station Two, Inc. 1383 R1 Averaging Plan 0.46 0.51 0.49 0.43 0.78 -35%

KY Shawnee Tennessee Valley Authority 1379 1 Averaging Plan 0.46 0.38 0.58 0.50 0.71 -46%

KY Shawnee Tennessee Valley Authority 1379 2 Averaging Plan 0.46 0.38 0.58 0.50 0.71 -46%

KY Shawnee Tennessee Valley Authority 1379 3 Averaging Plan 0.46 0.38 0.58 0.50 0.71 -46%

KY Shawnee Tennessee Valley Authority 1379 4 Averaging Plan 0.46 0.38 0.58 0.50 0.71 -46%

KY Shawnee Tennessee Valley Authority 1379 5 Averaging Plan 0.46 0.38 0.58 0.50 0.71 -46%

KY Shawnee Tennessee Valley Authority 1379 6 Averaging Plan 0.46 0.37 0.58 0.50 0.67 -45%

KY Shawnee Tennessee Valley Authority 1379 7 Averaging Plan 0.46 0.37 0.58 0.50 0.67 -45%

KY Shawnee Tennessee Valley Authority 1379 8 Averaging Plan 0.46 0.37 0.58 0.50 0.67 -45%

KY Shawnee Tennessee Valley Authority 1379 9 Averaging Plan 0.46 0.37 0.58 0.50 0.67 -45%

KY Trimble County Louisville Gas and Electric Co. 6071 1 Early Election 0.40 0.26 0.45 0.62 -58%

KY Tyrone Kentucky Utilities Co. 1361 5 Averaging Plan 0.46 0.36 0.45 0.35 0.90 -60%

KY William C. Dale East Kentucky Power Co-op. 1385 3 Early Election 0.46 0.37 0.50 0.73 -49%

KY William C. Dale East Kentucky Power Co-op. 1385 4 Early Election 0.46 0.37 0.50 0.73 -49%

LA Big Cajun 2 Louisiana Generating, LLC 6055 2B1 Early Election 0.46 0.31 0.50 0.28 11%

LA Big Cajun 2 Louisiana Generating, LLC 6055 2B2 Early Election 0.46 0.36 0.50 0.25 44%

LA Big Cajun 2 Louisiana Generating, LLC 6055 2B3 Early Election 0.46 0.18 0.50 0.24 -25%

LA Dolet Hills CLECO Corporation 51 1 Early Election 0.46 0.43 0.50 0.62 -31%

LA R S Nelson Entergy Gulf States, Inc. 1393 6 Early Election 0.40 0.31 0.45 0.20 55%

LA Rodemacher (6190) CLECO Corporation 6190 2 Early Election 0.46 0.36 0.50 0.38 -5%

MA Brayton Point USGen New England, Inc. 1619 1 Standard Limit 0.40 0.29 0.70 -59%

MA Brayton Point USGen New England, Inc. 1619 2 Standard Limit 0.40 0.28 0.70 -60%

MA Brayton Point USGen New England, Inc. 1619 3 Standard Limit 0.46 0.40 1.43 -72%

MA Mount Tom Holyoke Water Power Co. 1606 1 Standard Limit 0.46 0.38 1.00 -62%

MA Salem Harbor USGen New England, Inc. 1626 1 Standard Limit 0.46 0.30 1.10 -73%

MA Salem Harbor USGen New England, Inc. 1626 2 Standard Limit 0.46 0.28 1.10 -75%

MA Salem Harbor USGen New England, Inc. 1626 3 Standard Limit 0.46 0.30 1.10 -73%

MA Somerset Somerset Operations, Inc. 1613 7 Standard Limit 0.40 Not Oper. 1.00

MA Somerset Somerset Operations, Inc. 1613 8 Standard Limit 0.40 0.32 0.67 -52%

MD Brandon Shores Constellation Power Source, Inc. 602 1 Averaging Plan 0.46 0.34 0.57 0.44 0.47 -28%

MD Brandon Shores Constellation Power Source, Inc. 602 2 Averaging Plan 0.46 0.35 0.57 0.44 0.45 -22%

MD C P Crane Constellation Power Source, Inc. 1552 1 Averaging Plan 0.86 0.96 0.57 0.44 1.27 -24%

MD C P Crane Constellation Power Source, Inc. 1552 2 Averaging Plan 0.86 0.80 0.57 0.44 1.46 -45%

9
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

MD Chalk Point Mirant Mid-Atlantic, LLC 1571 1 AEL 0.50 0.58 0.86 1.35 -57%

MD Chalk Point Mirant Mid-Atlantic, LLC 1571 2 AEL 0.50 0.55 1.20 1.35 -59%

MD Dickerson Mirant Mid-Atlantic, LLC 1572 1 AEL 0.40 0.47 0.48 0.65 -28%

MD Dickerson Mirant Mid-Atlantic, LLC 1572 2 AEL 0.40 0.50 0.51 0.65 -23%

MD Dickerson Mirant Mid-Atlantic, LLC 1572 3 AEL 0.40 0.47 0.47 0.65 -28%

MD Herbert a Wagner Constellation Power Source, Inc. 1554 2 Averaging Plan 0.46 0.45 0.57 0.44 0.83 -46%

MD Herbert a Wagner Constellation Power Source, Inc. 1554 3 Averaging Plan 0.68 0.23 0.57 0.44 1.11 -79%

MD Morgantown Mirant Mid-Atlantic, LLC 1573 1 AEL 0.45 0.50 0.70 0.95 -47%

MD Morgantown Mirant Mid-Atlantic, LLC 1573 2 AEL 0.45 0.50 0.70 0.95 -47%

MD R. Paul Smith Power Station Allegheny Energy Supply Co., LLC 1570 11 Averaging Plan 0.45 0.41 0.56 0.41 0.78 -47%

MD R. Paul Smith Power Station Allegheny Energy Supply Co., LLC 1570 9 Averaging Plan 0.50 0.41 0.56 0.41 0.87 -53%

MI B C Cobb Consumers Energy Co. 1695 1 Averaging Plan 0.40 0.07 0.47 0.31 1.10 -94%

MI B C Cobb Consumers Energy Co. 1695 2 Averaging Plan 0.40 0.08 0.47 0.31 1.10 -93%

MI B C Cobb Consumers Energy Co. 1695 3 Averaging Plan 0.40 0.08 0.47 0.31 1.10 -93%

MI B C Cobb Consumers Energy Co. 1695 4 Averaging Plan/EE 0.40 0.38 0.45 0.47 0.31 0.38 0%

MI B C Cobb Consumers Energy Co. 1695 5 Averaging Plan/EE 0.40 0.17 0.45 0.47 0.31 0.36 -53%

MI Belle River Detroit Edison Co. 6034 1 Averaging Plan 0.46 0.25 0.53 0.38 0.26 -4%

MI Belle River Detroit Edison Co. 6034 2 Averaging Plan 0.46 0.18 0.53 0.38 0.16 13%

MI Dan E Karn Consumers Energy Co. 1702 1 Averaging Plan 0.40 0.45 0.47 0.31 0.64 -30%

MI Dan E Karn Consumers Energy Co. 1702 2 Averaging Plan 0.46 0.30 0.47 0.31 0.91 -67%

MI Eckert Station Lansing Board of Water and Light 1831 1 Averaging Plan 0.46 0.40 0.45 0.34 0.77 -48%

MI Eckert Station Lansing Board of Water and Light 1831 2 Averaging Plan 0.40 0.31 0.45 0.34 0.57 -46%

MI Eckert Station Lansing Board of Water and Light 1831 3 Averaging Plan 0.40 0.29 0.45 0.34 0.44 -34%

MI Eckert Station Lansing Board of Water and Light 1831 4 Averaging Plan 0.46 0.34 0.45 0.34 0.62 -45%

MI Eckert Station Lansing Board of Water and Light 1831 5 Averaging Plan 0.46 0.21 0.45 0.34 0.63 -67%

MI Eckert Station Lansing Board of Water and Light 1831 6 Averaging Plan 0.46 0.35 0.45 0.34 0.70 -50%

MI Endicott Generating Calpine Parlin, Inc. 4259 1 Standard Limit 0.46 0.25 0.58 -57%

MI Erickson Lansing Board of Water and Light 1832 1 Averaging Plan 0.46 0.42 0.45 0.34 0.93 -55%

MI Harbor Beach Detroit Edison Co. 1731 1 Averaging Plan 0.46 0.88 0.53 0.38 0.90 -2%

MI J B Sims City of Grand Haven 1825 3 Early Election 0.46 0.36 0.50 0.51 -29%

MI J C Weadock Consumers Energy Co. 1720 7 Averaging Plan/EE 0.40 0.32 0.45 0.47 0.31 0.44 -27%

MI J C Weadock Consumers Energy Co. 1720 8 Averaging Plan/EE 0.40 0.32 0.45 0.47 0.31 0.44 -27%

MI J H Campbell Consumers Energy Co. 1710 1 Averaging Plan 0.45 0.17 0.47 0.31 0.69 -75%

MI J H Campbell Consumers Energy Co. 1710 2 Averaging Plan 0.68 0.31 0.47 0.31 1.00 -69%

MI J H Campbell Consumers Energy Co. 1710 3 Averaging Plan 0.46 0.36 0.47 0.31 0.69 -48%

MI J R Whiting Consumers Energy Co. 1723 1 Averaging Plan/EE 0.46 0.26 0.50 0.47 0.31 0.82 -68%

MI J R Whiting Consumers Energy Co. 1723 2 Averaging Plan 0.46 0.30 0.47 0.31 0.96 -69%

MI J R Whiting Consumers Energy Co. 1723 3 Averaging Plan/EE 0.46 0.28 0.50 0.47 0.31 1.04 -73%

MI James De Young City of Holland 1830 5 Standard Limit 0.46 0.44 0.99 -56%

MI Marysville Detroit Edison Co. 1732 10 Averaging Plan 0.40 Not Oper. 0.53 0.38 Not Oper.

MI Marysville Detroit Edison Co. 1732 11 Averaging Plan 0.40 Not Oper. 0.53 0.38 Not Oper.

MI Marysville Detroit Edison Co. 1732 12 Averaging Plan 0.40 Not Oper. 0.53 0.38 Not Oper.

MI Marysville Detroit Edison Co. 1732 9 Averaging Plan 0.40 Not Oper. 0.53 0.38 Not Oper.

MI Monroe Detroit Edison Co. 1733 1 Averaging Plan 0.68 0.55 0.53 0.38 0.86 -36%

10
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

MI Monroe Detroit Edison Co. 1733 2 Averaging Plan 0.68 0.55 0.53 0.38 0.86 -36%

MI Monroe Detroit Edison Co. 1733 3 Averaging Plan 0.68 0.48 0.53 0.38 0.78 -38%

MI Monroe Detroit Edison Co. 1733 4 Averaging Plan 0.68 0.48 0.53 0.38 0.78 -38%

MI Presque Isle Wisconsin Electric Power Co. 1769 2 Averaging Plan 0.40 0.50 0.47 0.38 0.75 -33%

MI Presque Isle Wisconsin Electric Power Co. 1769 3 Averaging Plan 0.40 0.50 0.47 0.38 0.75 -33%

MI Presque Isle Wisconsin Electric Power Co. 1769 4 Averaging Plan 0.40 0.50 0.47 0.38 0.75 -33%

MI Presque Isle Wisconsin Electric Power Co. 1769 5 Averaging Plan 0.46 0.87 0.47 0.38 0.91 -4%

MI Presque Isle Wisconsin Electric Power Co. 1769 6 Averaging Plan 0.46 0.54 0.47 0.38 0.88 -39%

MI Presque Isle Wisconsin Electric Power Co. 1769 7 Early Election 0.46 0.49 0.50 0.49 0%

MI Presque Isle Wisconsin Electric Power Co. 1769 8 Early Election 0.46 0.49 0.50 0.53 -8%

MI Presque Isle Wisconsin Electric Power Co. 1769 9 Early Election 0.46 0.49 0.50 0.66 -26%

MI River Rouge Detroit Edison Co. 1740 2 Averaging Plan 0.40 0.26 0.53 0.38 0.44 -41%

MI River Rouge Detroit Edison Co. 1740 3 Averaging Plan 0.46 0.38 0.53 0.38 0.83 -54%

MI Shiras Marquette Board of Light and Power 1843 3 Standard Limit 0.40 0.13 0.22 -41%

MI St. Clair Detroit Edison Co. 1743 1 Averaging Plan 0.46 0.64 0.53 0.38 0.54 19%

MI St. Clair Detroit Edison Co. 1743 2 Averaging Plan 0.46 0.34 0.53 0.38 0.58 -41%

MI St. Clair Detroit Edison Co. 1743 3 Averaging Plan 0.46 0.59 0.53 0.38 0.63 -6%

MI St. Clair Detroit Edison Co. 1743 4 Averaging Plan 0.46 0.72 0.53 0.38 0.57 26%

MI St. Clair Detroit Edison Co. 1743 6 Averaging Plan 0.40 0.16 0.53 0.38 0.39 -59%

MI St. Clair Detroit Edison Co. 1743 7 Averaging Plan 0.40 0.19 0.53 0.38 0.31 -39%

MI Trenton Channel Detroit Edison Co. 1745 16 Averaging Plan 0.40 0.40 0.53 0.38 0.47 -15%

MI Trenton Channel Detroit Edison Co. 1745 17 Averaging Plan 0.40 0.40 0.53 0.38 0.47 -15%

MI Trenton Channel Detroit Edison Co. 1745 18 Averaging Plan 0.40 0.40 0.53 0.38 0.47 -15%

MI Trenton Channel Detroit Edison Co. 1745 19 Averaging Plan 0.40 0.40 0.53 0.38 0.47 -15%

MI Trenton Channel Detroit Edison Co. 1745 9A Averaging Plan 0.40 0.18 0.53 0.38 0.33 -45%

MI Wyandotte City of Wyandotte 1866 7 Standard Limit 0.46 0.38 0.69 -45%

MN Allen S King NSP (Xcel Energy) 1915 1 Averaging Plan 0.86 0.68 0.54 0.46 1.22 -44%

MN Black Dog NSP (Xcel Energy) 1904 1 Standard Limit 0.40 Not Oper. 0.75

MN Black Dog NSP (Xcel Energy) 1904 3 Averaging Plan 0.46 0.77 0.54 0.46 0.95 -19%

MN Black Dog NSP (Xcel Energy) 1904 4 Averaging Plan 0.46 0.77 0.54 0.46 0.95 -19%

MN Clay Boswell Minnesota Power and Light Co. 1893 1 Averaging Plan 0.46 0.45 0.41 0.38 0.42 7%

MN Clay Boswell Minnesota Power and Light Co. 1893 2 Averaging Plan 0.46 0.45 0.41 0.38 0.42 7%

MN Clay Boswell Minnesota Power and Light Co. 1893 3 Early Election 0.40 0.36 0.45 0.42 -14%

MN Clay Boswell Minnesota Power and Light Co. 1893 4 Averaging Plan 0.40 0.34 0.41 0.38 0.38 -11%

MN High Bridge NSP (Xcel Energy) 1912 3 Averaging Plan 0.50 0.59 0.54 0.46 0.48 23%

MN High Bridge NSP (Xcel Energy) 1912 4 Averaging Plan 0.50 0.59 0.54 0.46 0.48 23%

MN High Bridge NSP (Xcel Energy) 1912 5 Averaging Plan 0.50 0.59 0.54 0.46 0.48 23%

MN High Bridge NSP (Xcel Energy) 1912 6 Averaging Plan 0.50 0.59 0.54 0.46 0.48 23%

MN Hoot Lake Otter Tail Power Co. 1943 2 Early Election 0.40 0.43 0.45 0.58 -26%

MN Hoot Lake Otter Tail Power Co. 1943 3 Standard Limit 0.46 0.29 0.67 -57%

MN Minnesota Valley NSP (Xcel Energy) 1918 4 Averaging Plan 0.46 0.41 0.54 0.46 0.52 -21%

MN Northeast Station City of Austin Utilities 1961 NEPP Standard Limit 0.46 0.44 0.78 -44%

MN Riverside (1927) NSP (Xcel Energy) 1927 6 Averaging Plan 0.46 0.85 0.54 0.46 Not Oper.

MN Riverside (1927) NSP (Xcel Energy) 1927 7 Averaging Plan 0.46 0.85 0.54 0.46 0.70 21%

11
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

MN Riverside (1927) NSP (Xcel Energy) 1927 8 Averaging Plan 0.86 1.00 0.54 0.46 0.98 2%

MN Sherburne County NSP (Xcel Energy) 6090 1 Averaging Plan 0.45 0.27 0.54 0.46 0.45 -40%

MN Sherburne County NSP (Xcel Energy) 6090 2 Averaging Plan 0.45 0.27 0.54 0.46 0.45 -40%

MN Sherburne County NSP (Xcel Energy) 6090 3 Averaging Plan 0.46 0.34 0.54 0.46 0.28 21%

MN Silver Lake Rochester Public Utilities 2008 4 Standard Limit 0.46 0.38 0.82 -54%

MN Syl Laskin Minnesota Power and Light Co. 1891 1 Averaging Plan 0.40 0.48 0.41 0.38 0.64 -25%

MN Syl Laskin Minnesota Power and Light Co. 1891 2 Averaging Plan 0.40 0.48 0.41 0.38 0.64 -25%

MN Taconite Harbor Energy Center Minnesota Power and Light Co. 10075 1 Averaging Plan 0.40 0.40 0.41 0.38 Not Oper.

MN Taconite Harbor Energy Center Minnesota Power and Light Co. 10075 2 Averaging Plan 0.40 0.56 0.41 0.38 Not Oper.

MN Taconite Harbor Energy Center Minnesota Power and Light Co. 10075 3 Averaging Plan 0.40 0.39 0.41 0.38 Not Oper.

MO Asbury Empire District Electric Co. 2076 1 Standard Limit 0.86 0.82 1.09 -25%

MO Blue Valley City of Independence 2132 3 Standard Limit 0.40 0.32 0.79 -59%

MO Hawthorn Kansas City Power & Light Co. 2079 5 Standard Limit 0.45 Not Oper. 0.36

MO Iatan Kansas City Power & Light Co. 6065 1 Standard Limit 0.50 0.30 0.31 -3%

MO James River City of Springfield, MO 2161 3 Averaging Plan 0.50 0.62 0.50 0.43 1.02 -39%

MO James River City of Springfield, MO 2161 4 Averaging Plan 0.50 0.63 0.50 0.43 0.87 -28%

MO James River City of Springfield, MO 2161 5 Averaging Plan 0.50 0.47 0.50 0.43 0.93 -49%

MO Labadie Union Electric Co. 2103 1 Averaging Plan 0.45 0.11 0.53 0.22 0.62 -82%

MO Labadie Union Electric Co. 2103 2 Averaging Plan 0.45 0.12 0.53 0.22 0.62 -81%

MO Labadie Union Electric Co. 2103 3 Averaging Plan 0.45 0.11 0.53 0.22 0.62 -82%

MO Labadie Union Electric Co. 2103 4 Averaging Plan 0.45 0.11 0.53 0.22 0.62 -82%

MO Meramec Union Electric Co. 2104 1 Averaging Plan 0.45 0.39 0.53 0.22 0.82 -52%

MO Meramec Union Electric Co. 2104 2 Averaging Plan 0.45 0.47 0.53 0.22 0.63 -25%

MO Meramec Union Electric Co. 2104 3 Averaging Plan 0.50 0.52 0.53 0.22 0.96 -46%

MO Meramec Union Electric Co. 2104 4 Averaging Plan 0.50 0.19 0.53 0.22 1.17 -84%

MO Montrose Kansas City Power & Light Co. 2080 1 Standard Limit 0.45 0.31 0.32 -3%

MO Montrose Kansas City Power & Light Co. 2080 2 Standard Limit 0.45 0.36 0.34 6%

MO Montrose Kansas City Power & Light Co. 2080 3 Standard Limit 0.45 0.36 0.34 6%

MO New Madrid Associated Electric Co-op. 2167 1 Averaging Plan 0.86 0.58 0.77 0.72 1.47 -61%

MO New Madrid Associated Electric Co-op. 2167 2 Averaging Plan 0.86 1.24 0.77 0.72 1.32 -6%

MO Rush Island Union Electric Co. 6155 1 Averaging Plan 0.45 0.11 0.53 0.22 0.63 -83%

MO Rush Island Union Electric Co. 6155 2 Averaging Plan 0.45 0.12 0.53 0.22 0.63 -81%

MO Sibley UtiliCorp United, Inc. 2094 3 Standard Limit 0.86 0.63 1.37 -54%

MO Sikeston Sikeston Bd. of Municipal Utilities 6768 1 Early Election 0.46 0.22 0.50 0.51 -57%

MO Sioux Union Electric Co. 2107 1 Averaging Plan 0.86 0.46 0.53 0.22 1.07 -57%

MO Sioux Union Electric Co. 2107 2 Averaging Plan 0.86 0.48 0.53 0.22 1.21 -60%

MO Southwest City of Springfield, MO 6195 1 Averaging Plan 0.50 0.32 0.50 0.43 0.47 -32%

MO Thomas Hill Associated Electric Co-op. 2168 MB1 Averaging Plan 0.86 0.98 0.77 0.72 0.90 9%

MO Thomas Hill Associated Electric Co-op. 2168 MB2 Averaging Plan 0.86 0.54 0.77 0.72 0.90 -40%

MO Thomas Hill Associated Electric Co-op. 2168 MB3 Averaging Plan 0.50 0.28 0.77 0.72 0.31 -10%

MS Daniel Electric Generating Plant Mississippi Power Co. 6073 1 Averaging Plan 0.45 0.32 0.46 0.38 0.27 19%

MS Daniel Electric Generating Plant Mississippi Power Co. 6073 2 Averaging Plan 0.45 0.31 0.46 0.38 0.28 11%

MS R D Morrow South Missisippi Elec. Power Assoc. 6061 1 Averaging Plan 0.50 0.44 0.50 0.46 0.42 5%

MS R D Morrow South Missisippi Elec. Power Assoc. 6061 2 Averaging Plan 0.50 0.49 0.50 0.46 0.43 14%

12
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

MS Watson Electric Generating Plant Mississippi Power Co. 2049 4 Averaging Plan 0.50 0.49 0.46 0.38 1.10 -55%

MS Watson Electric Generating Plant Mississippi Power Co. 2049 5 Averaging Plan 0.50 0.52 0.46 0.38 1.22 -57%

MT Colstrip P P & L Montana, LLC 6076 1 Early Election 0.40 0.40 0.45 0.42 -5%

MT Colstrip P P & L Montana, LLC 6076 2 Early Election 0.40 0.40 0.45 0.43 -7%

MT Colstrip P P & L Montana, LLC 6076 3 Early Election 0.40 0.41 0.45 0.34 21%

MT J E Corette P P & L Montana, LLC 2187 2 Standard Limit 0.40 0.26 0.65 -60%

MT Lewis & Clark Montana Dakota Utilities Co. 6089 B1 Early Election 0.40 0.36 0.45 0.57 -37%

NC Asheville Carolina Power & Light Co. 2706 1 Averaging Plan 0.46 0.45 0.44 0.39 1.08 -58%

NC Asheville Carolina Power & Light Co. 2706 2 Averaging Plan 0.46 0.34 0.44 0.39 0.86 -60%

NC Belews Creek Duke Energy Corporation 8042 1 Standard Limit 0.68 0.52 1.46 -64%

NC Belews Creek Duke Energy Corporation 8042 2 Standard Limit 0.68 0.63 1.36 -54%

NC Buck Duke Energy Corporation 2720 5 Early Election 0.40 0.40 0.45 0.59 -32%

NC Buck Duke Energy Corporation 2720 6 Early Election 0.40 0.41 0.45 0.54 -24%

NC Buck Duke Energy Corporation 2720 7 Early Election 0.40 0.44 0.45 0.57 -23%

NC Buck Duke Energy Corporation 2720 8 Early Election 0.40 0.29 0.45 0.45 -36%

NC Buck Duke Energy Corporation 2720 9 Early Election 0.40 0.30 0.45 0.51 -41%

NC Cape Fear Carolina Power & Light Co. 2708 5 Averaging Plan 0.40 0.24 0.44 0.39 0.47 -49%

NC Cape Fear Carolina Power & Light Co. 2708 6 Averaging Plan 0.40 0.40 0.44 0.39 0.66 -39%

NC Cliffside Duke Energy Corporation 2721 1 Early Election 0.40 0.37 0.45 Not Oper.

NC Cliffside Duke Energy Corporation 2721 2 Early Election 0.40 0.36 0.45 Not Oper.

NC Cliffside Duke Energy Corporation 2721 3 Early Election 0.40 0.40 0.45 Not Oper.

NC Cliffside Duke Energy Corporation 2721 4 Early Election 0.40 0.38 0.45 Not Oper.

NC Cliffside Duke Energy Corporation 2721 5 Early Election 0.40 0.24 0.45 0.51 -53%

NC Dan River Duke Energy Corporation 2723 1 Early Election 0.40 0.38 0.45 0.52 -27%

NC Dan River Duke Energy Corporation 2723 2 Early Election 0.40 0.41 0.45 0.55 -25%

NC Dan River Duke Energy Corporation 2723 3 Early Election 0.40 0.43 0.45 0.56 -23%

NC G G Allen Duke Energy Corporation 2718 1 Early Election 0.40 0.31 0.45 0.65 -52%

NC G G Allen Duke Energy Corporation 2718 2 Early Election 0.40 0.42 0.45 0.61 -31%

NC G G Allen Duke Energy Corporation 2718 3 Early Election 0.40 0.31 0.45 0.64 -52%

NC G G Allen Duke Energy Corporation 2718 4 Early Election 0.40 0.33 0.45 0.68 -51%

NC G G Allen Duke Energy Corporation 2718 5 Early Election 0.40 0.45 0.45 0.68 -34%

NC L V Sutton Carolina Power & Light Co. 2713 1 Averaging Plan 0.40 0.60 0.44 0.39 0.63 -5%

NC L V Sutton Carolina Power & Light Co. 2713 2 Averaging Plan 0.46 0.60 0.44 0.39 0.63 -5%

NC L V Sutton Carolina Power & Light Co. 2713 3 Averaging Plan 0.46 0.61 0.44 0.39 1.19 -49%

NC Lee Carolina Power & Light Co. 2709 1 Averaging Plan 0.40 0.53 0.44 0.39 0.82 -35%

NC Lee Carolina Power & Light Co. 2709 2 Averaging Plan 0.46 0.66 0.44 0.39 0.73 -10%

NC Lee Carolina Power & Light Co. 2709 3 Averaging Plan 0.46 0.37 0.44 0.39 0.90 -59%

NC Marshall Duke Energy Corporation 2727 1 Early Election 0.40 0.43 0.45 0.48 -10%

NC Marshall Duke Energy Corporation 2727 2 Early Election 0.40 0.29 0.45 0.61 -52%

NC Marshall Duke Energy Corporation 2727 3 Early Election 0.40 0.30 0.45 0.52 -42%

NC Marshall Duke Energy Corporation 2727 4 Early Election 0.40 0.25 0.45 0.70 -64%

NC Mayo Carolina Power & Light Co. 6250 1A Averaging Plan 0.46 0.36 0.44 0.39 0.64 -44%

NC Mayo Carolina Power & Light Co. 6250 1B Averaging Plan 0.46 0.36 0.44 0.39 Not Oper.

NC Riverbend Duke Energy Corporation 2732 10 Early Election 0.40 0.42 0.45 0.70 -40%

13
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

NC Riverbend Duke Energy Corporation 2732 7 Early Election 0.40 0.25 0.45 0.58 -57%

NC Riverbend Duke Energy Corporation 2732 8 Early Election 0.40 0.40 0.45 0.58 -31%

NC Riverbend Duke Energy Corporation 2732 9 Early Election 0.40 0.43 0.45 0.58 -26%

NC Roxboro Carolina Power & Light Co. 2712 1 Averaging Plan 0.46 0.34 0.44 0.39 1.30 -74%

NC Roxboro Carolina Power & Light Co. 2712 2 Averaging Plan 0.40 0.28 0.44 0.39 0.76 -63%

NC Roxboro Carolina Power & Light Co. 2712 3A Averaging Plan 0.46 0.42 0.44 0.39 1.31 -68%

NC Roxboro Carolina Power & Light Co. 2712 3B Averaging Plan 0.46 0.42 0.44 0.39 Not Oper.

NC Roxboro Carolina Power & Light Co. 2712 4A Averaging Plan 0.46 0.26 0.44 0.39 0.57 -54%

NC Roxboro Carolina Power & Light Co. 2712 4B Averaging Plan 0.46 0.26 0.44 0.39 Not Oper.

NC W H Weatherspoon Carolina Power & Light Co. 2716 1 Averaging Plan 0.46 0.84 0.44 0.39 0.73 15%

NC W H Weatherspoon Carolina Power & Light Co. 2716 2 Averaging Plan 0.46 0.84 0.44 0.39 0.73 15%

NC W H Weatherspoon Carolina Power & Light Co. 2716 3 Averaging Plan 0.40 0.48 0.44 0.39 0.72 -33%

ND Antelope Valley Basin Electric Power Co-op. 6469 B1 Early Election 0.40 0.34 0.45 0.43 -21%

ND Antelope Valley Basin Electric Power Co-op. 6469 B2 Early Election 0.40 0.30 0.45 0.27 11%

ND Coal Creek Great River Energy 6030 1 Standard Limit 0.40 0.21 0.55 -62%

ND Coal Creek Great River Energy 6030 2 Standard Limit 0.40 0.22 0.82 -73%

ND Coyote Otter Tail Power Co. 8222 B1 Standard Limit 0.86 0.72 0.81 -11%

ND Leland Olds Basin Electric Power Co-op. 2817 1 Early Election 0.46 0.27 0.50 0.74 -64%

ND Leland Olds Basin Electric Power Co-op. 2817 2 Standard Limit 0.86 0.62 1.03 -40%

ND Milton R Young Minnkota Power Co-op., Inc. 2823 B1 Standard Limit 0.86 0.79 0.81 -2%

ND Milton R Young Minnkota Power Co-op., Inc. 2823 B2 Standard Limit 0.86 0.81 1.05 -23%

ND Stanton Great River Energy 2824 1 Standard Limit 0.46 0.43 0.84 -49%

ND Stanton Great River Energy 2824 10 Early Election 0.40 0.35 0.45 0.47 -26%

NE Gerald Gentleman Station Nebraska Public Power District 6077 1 Early Election 0.46 0.47 0.50 0.40 18%

NE Gerald Gentleman Station Nebraska Public Power District 6077 2 Early Election 0.46 0.32 0.50 0.35 -9%

NE Gerald Whelan Energy Center Nebraska Municipal Energy Agency 60 1 Early Election 0.40 0.28 0.45 0.30 -7%

NE Lon D Wright Power Plant Freemont Department of Utilities 2240 8 Standard Limit 0.46 0.18 0.19 -5%

NE Nebraska City Omaha Public Power District 6096 1 Early Election 0.46 0.39 0.50 0.48 -19%

NE North Omaha Omaha Public Power District 2291 1 Standard Limit 0.40 0.31 0.41 -24%

NE North Omaha Omaha Public Power District 2291 2 Standard Limit 0.40 0.31 0.41 -24%

NE North Omaha Omaha Public Power District 2291 3 Standard Limit 0.40 0.31 0.41 -24%

NE North Omaha Omaha Public Power District 2291 4 Early Election 0.40 0.35 0.45 0.38 -8%

NE North Omaha Omaha Public Power District 2291 5 Standard Limit 0.46 0.30 0.95 -68%

NE Platte City of Grand Island 59 1 Early Election 0.40 0.36 0.45 0.48 -25%

NH Merrimack Public Service of New Hampshire 2364 2 Standard Limit 0.86 0.27 1.96 -86%

NH Schiller Public Service of New Hampshire 2367 4 Standard Limit 0.46 0.36 1.00 -64%

NH Schiller Public Service of New Hampshire 2367 5 Standard Limit 0.46 0.30 1.26 -76%

NH Schiller Public Service of New Hampshire 2367 6 Standard Limit 0.46 0.31 1.07 -71%

NJ B L England Atlantic City Electric Co. 2378 2 Standard Limit 0.86 0.48 1.19 -60%

NJ Deepwater Atlantic City Electric Co. 2384 8 Standard Limit 0.46 0.39 0.71 -45%

NJ Hudson Generating Station PSEG Fossil LLC 2403 2 Averaging Plan 0.46 0.47 0.64 0.60 1.34 -65%

NJ Mercer Generating Station PSEG Fossil LLC 2408 1 Averaging Plan 0.84 0.76 0.64 0.60 1.35 -44%

NJ Mercer Generating Station PSEG Fossil LLC 2408 2 Averaging Plan 0.84 0.75 0.64 0.60 1.90 -61%

NM Four Corners Steam Elec Station Arizona Public Service Co. 2442 1 Averaging Plan 0.46 0.77 0.60 0.56 0.82 -6%

14
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

NM Four Corners Steam Elec Station Arizona Public Service Co. 2442 2 Averaging Plan 0.46 0.61 0.60 0.56 0.78 -22%

NM Four Corners Steam Elec Station Arizona Public Service Co. 2442 3 Averaging Plan 0.46 0.57 0.60 0.56 1.00 -43%

NM Four Corners Steam Elec Station Arizona Public Service Co. 2442 4 Averaging Plan 0.68 0.57 0.60 0.56 0.51 12%

NM Four Corners Steam Elec Station Arizona Public Service Co. 2442 5 Averaging Plan 0.68 0.45 0.60 0.56 1.10 -59%

NM Prewitt Escalante Generating Statio Tri-State Generation & Transmission 87 1 Early Election 0.40 0.40 0.45 0.35 14%

NM San Juan Public Service Co. of New Mexico 2451 1 Averaging Plan 0.46 0.42 0.46 0.43 0.42 0%

NM San Juan Public Service Co. of New Mexico 2451 2 Averaging Plan 0.46 0.43 0.46 0.43 0.65 -34%

NM San Juan Public Service Co. of New Mexico 2451 3 Averaging Plan 0.46 0.42 0.46 0.43 0.39 8%

NM San Juan Public Service Co. of New Mexico 2451 4 Averaging Plan 0.46 0.43 0.46 0.43 0.42 2%

NV Mohave Southern California Edison Co. 2341 1 Early Election 0.40 0.42 0.45 0.38 11%

NV Mohave Southern California Edison Co. 2341 2 Early Election 0.40 0.39 0.45 0.46 -15%

NV North Valmy Idaho Power Co. 8224 1 Early Election 0.46 0.29 0.50 0.51 -43%

NV North Valmy Idaho Power Co. 8224 2 Early Election 0.46 0.40 0.50 0.40 0%

NV Reid Gardner Nevada Power Co. 2324 1 Standard Limit 0.46 0.47 1.12 -58%

NV Reid Gardner Nevada Power Co. 2324 2 Standard Limit 0.46 0.46 1.13 -59%

NV Reid Gardner Nevada Power Co. 2324 3 Standard Limit 0.46 0.45 0.53 -15%

NV Reid Gardner Nevada Power Co. 2324 4 Early Election 0.46 0.33 0.50 0.38 -13%

NY AES Cayuga (Milliken) AES Cayuga, LLC 2535 1 Averaging Plan 0.45 0.30 0.45 0.35 0.66 -55%

NY AES Cayuga (Milliken) AES Cayuga, LLC 2535 2 Averaging Plan 0.45 0.30 0.45 0.35 0.59 -49%

NY AES Greenidge AES Greenidge, LLC 2527 4 Averaging Plan 0.46 0.70 0.45 0.35 0.69 1%

NY AES Greenidge AES Greenidge, LLC 2527 5 Averaging Plan 0.46 0.70 0.45 0.35 0.69 1%

NY AES Greenidge AES Greenidge, LLC 2527 6 Averaging Plan 0.45 0.43 0.45 0.35 0.55 -22%

NY AES Somerset (Kintigh ) AES Somerset, LLC 6082 1 Averaging Plan/EE 0.46 0.30 0.50 0.45 0.35 0.62 -52%

NY AES Westover (Goudey) AES Westover, LLC 2526 11 Averaging Plan 0.46 0.53 0.45 0.35 0.62 -15%

NY AES Westover (Goudey) AES Westover, LLC 2526 12 Averaging Plan 0.46 0.53 0.45 0.35 0.62 -15%

NY AES Westover (Goudey) AES Westover, LLC 2526 13 Averaging Plan 0.40 0.53 0.45 0.35 0.68 -22%

NY Dunkirk Dunkirk Power Operations, Inc 2554 1 Early Election 0.40 0.34 0.45 0.48 -29%

NY Dunkirk Dunkirk Power Operations, Inc 2554 2 Early Election 0.40 0.34 0.45 0.48 -29%

NY Dunkirk Dunkirk Power Operations, Inc 2554 3 Standard Limit 0.45 0.35 0.48 -27%

NY Dunkirk Dunkirk Power Operations, Inc 2554 4 Standard Limit 0.45 0.35 0.48 -27%

NY Dynegy Danskammer Dynegy Danskammer, LLC 2480 3 Averaging Plan 0.40 0.38 0.40 0.37 0.54 -30%

NY Dynegy Danskammer Dynegy Danskammer, LLC 2480 4 Averaging Plan 0.40 0.37 0.40 0.37 0.62 -40%

NY Huntley Power Huntley Power Operations, Inc. 2549 63 Standard Limit 0.84 0.63 0.91 -31%

NY Huntley Power Huntley Power Operations, Inc. 2549 64 Standard Limit 0.84 0.63 0.91 -31%

NY Huntley Power Huntley Power Operations, Inc. 2549 65 Standard Limit 0.84 0.63 0.91 -31%

NY Huntley Power Huntley Power Operations, Inc. 2549 66 Standard Limit 0.84 0.63 0.91 -31%

NY Huntley Power Huntley Power Operations, Inc. 2549 67 Early Election 0.40 0.31 0.45 0.64 -52%

NY Huntley Power Huntley Power Operations, Inc. 2549 68 Early Election 0.40 0.31 0.45 0.64 -52%

NY Lovett Generating Station Mirant Lovett, LLC 2629 4 Standard Limit 0.46 0.35 0.57 -39%

NY Lovett Generating Station Mirant Lovett, LLC 2629 5 Standard Limit 0.46 0.36 0.59 -39%

NY Rochester 3 - Beebee Station Rochester Gas & Electric Corporation 2640 12 Standard Limit 0.40 Not Oper. 0.77

NY Rochester 7 - Russell Station Rochester Gas & Electric Corporation 2642 1 Averaging Plan 0.40 0.43 0.40 0.36 0.62 -31%

NY Rochester 7 - Russell Station Rochester Gas & Electric Corporation 2642 2 Averaging Plan 0.40 0.43 0.40 0.36 0.65 -34%

NY Rochester 7 - Russell Station Rochester Gas & Electric Corporation 2642 3 Averaging Plan 0.40 0.31 0.40 0.36 0.44 -30%

15
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

NY Rochester 7 - Russell Station Rochester Gas & Electric Corporation 2642 4 Averaging Plan 0.40 0.31 0.40 0.36 0.59 -47%

NY S A Carlson Jamestown Board of Public Utilities 2682 10 Early Election 0.46 0.43 0.50 0.90 -52%

NY S A Carlson Jamestown Board of Public Utilities 2682 11 Early Election 0.46 0.43 0.50 1.05 -59%

NY S A Carlson Jamestown Board of Public Utilities 2682 12 Early Election 0.46 0.41 0.50 0.83 -51%

NY S A Carlson Jamestown Board of Public Utilities 2682 9 Early Election 0.46 0.41 0.50 0.90 -54%

OH Acme Toledo Edison Co. 2877 14 Standard Limit 0.80 Not Oper. 1.34

OH Acme Toledo Edison Co. 2877 15 Standard Limit 0.80 Not Oper. 1.34

OH Acme Toledo Edison Co. 2877 16 Standard Limit 0.80 Not Oper. 1.34

OH Acme Toledo Edison Co. 2877 91 Standard Limit 0.80 Not Oper. 1.34

OH Acme Toledo Edison Co. 2877 92 Standard Limit 0.80 Not Oper. 1.34

OH Ashtabula FirstEnergy Generation Corporation 2835 10 Averaging Plan 0.46 0.55 0.56 0.51 0.51 8%

OH Ashtabula FirstEnergy Generation Corporation 2835 11 Averaging Plan 0.46 0.55 0.56 0.51 0.51 8%

OH Ashtabula FirstEnergy Generation Corporation 2835 7 Averaging Plan 0.45 0.37 0.56 0.51 0.61 -39%

OH Ashtabula FirstEnergy Generation Corporation 2835 8 Averaging Plan 0.46 0.55 0.56 0.51 0.51 8%

OH Ashtabula FirstEnergy Generation Corporation 2835 9 Standard Limit 0.46 Not Oper. 0.51

OH Avon Lake Power Plant Orion Power Operating Services - Midwest, Inc. 2836 10 Averaging Plan 0.40 0.39 0.57 0.53 0.58 -33%

OH Avon Lake Power Plant Orion Power Operating Services - Midwest, Inc. 2836 12 Averaging Plan 0.68 0.84 0.57 0.53 0.96 -13%

OH Avon Lake Power Plant Orion Power Operating Services - Midwest, Inc. 2836 9 Standard Limit 0.40 Not Oper. 0.63

OH Bay Shore FirstEnergy Generation Corporation 2878 1 Averaging Plan 0.80 0.14 0.56 0.51 1.08 -87%

OH Bay Shore FirstEnergy Generation Corporation 2878 2 Averaging Plan 0.80 0.53 0.56 0.51 1.08 -51%

OH Bay Shore FirstEnergy Generation Corporation 2878 3 Averaging Plan 0.46 0.53 0.56 0.51 1.08 -51%

OH Bay Shore FirstEnergy Generation Corporation 2878 4 Averaging Plan 0.46 0.53 0.56 0.51 1.08 -51%

OH Cardinal Cardinal Operating Co. 2828 1 Averaging Plan 0.68 0.60 0.59 0.53 0.90 -33%

OH Cardinal Cardinal Operating Co. 2828 2 Averaging Plan 0.68 0.57 0.59 0.53 1.02 -44%

OH Cardinal Cardinal Operating Co. 2828 3 Averaging Plan 0.46 0.51 0.59 0.53 0.74 -31%

OH Conesville Columbus Southern Power Co. 2840 3 Averaging Plan 0.50 0.60 0.59 0.53 0.93 -35%

OH Conesville Columbus Southern Power Co. 2840 4 Averaging Plan 0.45 0.48 0.59 0.53 0.55 -13%

OH Conesville Columbus Southern Power Co. 2840 5 Averaging Plan/EE 0.40 0.42 0.45 0.59 0.53 0.44 -5%

OH Conesville Columbus Southern Power Co. 2840 6 Averaging Plan/EE 0.40 0.42 0.45 0.59 0.53 0.44 -5%

OH Eastlake FirstEnergy Generation Corporation 2837 1 Averaging Plan 0.45 0.40 0.56 0.51 0.49 -18%

OH Eastlake FirstEnergy Generation Corporation 2837 2 Averaging Plan 0.45 0.36 0.56 0.51 0.68 -47%

OH Eastlake FirstEnergy Generation Corporation 2837 3 Averaging Plan 0.45 0.31 0.56 0.51 0.54 -43%

OH Eastlake FirstEnergy Generation Corporation 2837 4 Averaging Plan 0.45 0.31 0.56 0.51 0.51 -39%

OH Eastlake FirstEnergy Generation Corporation 2837 5 Averaging Plan 0.68 0.94 0.56 0.51 0.67 40%

OH Edgewater (2857) Ohio Edison Co. 2857 11 Averaging Plan 0.80 Not Oper. 0.51 0.45 1.16

OH Edgewater (2857) Ohio Edison Co. 2857 12 Averaging Plan 0.80 Not Oper. 0.51 0.45 1.16

OH Edgewater (2857) FirstEnergy Generation Corporation 2857 13 Averaging Plan 0.50 0.25 0.51 0.45 1.16 -78%

OH Gen J M Gavin Ohio Power Co. 8102 1 Averaging Plan 0.68 0.64 0.59 0.53 1.16 -45%

OH Gen J M Gavin Ohio Power Co. 8102 2 Averaging Plan 0.68 0.50 0.59 0.53 1.16 -57%

OH Gorge Ohio Edison Co. 2858 25 Averaging Plan 0.50 Not Oper. 0.51 0.45 1.16

OH Gorge Ohio Edison Co. 2858 26 Averaging Plan 0.50 Not Oper. 0.51 0.45 1.16

OH Hamilton Municipal Power Plant City of Hamilton 2917 9 Standard Limit 0.40 0.34 0.60 -43%

OH J M Stuart Dayton Power & Light Co. 2850 1 Averaging Plan 0.68 0.69 0.63 0.57 1.11 -38%

OH J M Stuart Dayton Power & Light Co. 2850 2 Averaging Plan 0.68 0.65 0.63 0.57 1.05 -38%

16
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

OH J M Stuart Dayton Power & Light Co. 2850 3 Averaging Plan 0.68 0.52 0.63 0.57 0.95 -45%

OH J M Stuart Dayton Power & Light Co. 2850 4 Averaging Plan 0.68 0.53 0.63 0.57 1.16 -54%

OH Killen Station Dayton Power & Light Co. 6031 2 Averaging Plan 0.46 0.43 0.63 0.57 0.51 -16%

OH Kyger Creek Ohio Valley Electric Corporation 2876 1 Averaging Plan 0.84 0.78 0.84 0.74 1.34 -42%

OH Kyger Creek Ohio Valley Electric Corporation 2876 2 Averaging Plan 0.84 0.78 0.84 0.74 1.34 -42%

OH Kyger Creek Ohio Valley Electric Corporation 2876 3 Averaging Plan 0.84 0.78 0.84 0.74 1.34 -42%

OH Kyger Creek Ohio Valley Electric Corporation 2876 4 Averaging Plan 0.84 0.78 0.84 0.74 1.34 -42%

OH Kyger Creek Ohio Valley Electric Corporation 2876 5 Averaging Plan 0.84 0.78 0.84 0.74 1.34 -42%

OH Lake Shore FirstEnergy Generation Corporation 2838 18 Averaging Plan 0.40 0.28 0.56 0.51 0.67 -58%

OH Miami Fort Cincinnati Gas & Electric Co. 2832 5-1 Averaging Plan 0.80 0.96 0.49 0.41 0.71 35%

OH Miami Fort Cincinnati Gas & Electric Co. 2832 5-2 Averaging Plan 0.80 0.96 0.49 0.41 0.71 35%

OH Miami Fort Cincinnati Gas & Electric Co. 2832 6 Averaging Plan 0.45 0.53 0.49 0.41 0.73 -27%

OH Miami Fort Cincinnati Gas & Electric Co. 2832 7 Averaging Plan 0.68 0.49 0.49 0.41 1.07 -54%

OH Miami Fort Cincinnati Gas & Electric Co. 2832 8 Averaging Plan 0.46 0.36 0.49 0.41 0.62 -42%

OH Muskingum River Ohio Power Co. 2872 1 Averaging Plan 0.84 0.71 0.59 0.53 1.09 -35%

OH Muskingum River Ohio Power Co. 2872 2 Averaging Plan 0.84 0.71 0.59 0.53 1.09 -35%

OH Muskingum River Ohio Power Co. 2872 3 Averaging Plan 0.86 0.71 0.59 0.53 1.09 -35%

OH Muskingum River Ohio Power Co. 2872 4 Averaging Plan 0.86 0.71 0.59 0.53 1.09 -35%

OH Muskingum River Ohio Power Co. 2872 5 Averaging Plan 0.68 0.65 0.59 0.53 1.20 -46%

OH O H Hutchings Dayton Power & Light Co. 2848 H-1 Averaging Plan 0.40 0.63 0.63 0.57 0.67 -6%

OH O H Hutchings Dayton Power & Light Co. 2848 H-2 Averaging Plan 0.40 0.63 0.63 0.57 0.67 -6%

OH O H Hutchings Dayton Power & Light Co. 2848 H-3 Averaging Plan 0.40 0.60 0.63 0.57 0.63 -5%

OH O H Hutchings Dayton Power & Light Co. 2848 H-4 Averaging Plan 0.40 0.60 0.63 0.57 0.63 -5%

OH O H Hutchings Dayton Power & Light Co. 2848 H-5 Averaging Plan 0.40 0.56 0.63 0.57 0.51 10%

OH O H Hutchings Dayton Power & Light Co. 2848 H-6 Averaging Plan 0.40 0.56 0.63 0.57 0.51 10%

OH Picway Columbus Southern Power Co. 2843 9 Averaging Plan 0.50 0.41 0.59 0.53 0.87 -53%

OH R E Burger FirstEnergy Generation Corporation 2864 1 Averaging Plan 0.84 Not Oper. 0.51 0.45 0.83

OH R E Burger FirstEnergy Generation Corporation 2864 2 Averaging Plan 0.84 Not Oper. 0.51 0.45 0.90

OH R E Burger FirstEnergy Generation Corporation 2864 3 Averaging Plan 0.84 Not Oper. 0.51 0.45 0.94

OH R E Burger FirstEnergy Generation Corporation 2864 4 Averaging Plan 0.84 Not Oper. 0.51 0.45 1.09

OH R E Burger FirstEnergy Generation Corporation 2864 5 Averaging Plan 0.84 0.50 0.51 0.45 0.75 -33%

OH R E Burger FirstEnergy Generation Corporation 2864 6 Averaging Plan 0.84 0.65 0.51 0.45 0.73 -11%

OH R E Burger FirstEnergy Generation Corporation 2864 7 Averaging Plan 0.50 0.72 0.51 0.45 0.66 9%

OH R E Burger FirstEnergy Generation Corporation 2864 8 Averaging Plan 0.50 0.51 0.51 0.45 0.72 -29%

OH Richard Gorsuch American Municipal Power - Ohio, Inc. 7253 1 Standard Limit 0.46 0.38 Not Oper.

OH Richard Gorsuch American Municipal Power - Ohio, Inc. 7253 2 Standard Limit 0.46 0.38 Not Oper.

OH Richard Gorsuch American Municipal Power - Ohio, Inc. 7253 3 Standard Limit 0.46 0.38 Not Oper.

OH Richard Gorsuch American Municipal Power - Ohio, Inc. 7253 4 Standard Limit 0.46 0.38 Not Oper.

OH Toronto Ohio Edison Co. 2867 10 Averaging Plan 0.50 Not Oper. 0.51 0.45 1.06

OH Toronto Ohio Edison Co. 2867 11 Averaging Plan 0.50 Not Oper. 0.51 0.45 1.06

OH Toronto Ohio Edison Co. 2867 9 Averaging Plan 0.84 Not Oper. 0.51 0.45 1.06

OH W H Sammis FirstEnergy Generation Corporation 2866 1 Averaging Plan 0.46 0.47 0.51 0.45 0.87 -46%

OH W H Sammis FirstEnergy Generation Corporation 2866 2 Averaging Plan 0.46 0.48 0.51 0.45 0.85 -44%

OH W H Sammis FirstEnergy Generation Corporation 2866 3 Averaging Plan 0.46 1.06 0.51 0.45 0.86 23%

17
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

OH W H Sammis FirstEnergy Generation Corporation 2866 4 Averaging Plan 0.46 0.43 0.51 0.45 0.81 -47%

OH W H Sammis FirstEnergy Generation Corporation 2866 5 Averaging Plan 0.50 0.49 0.51 0.45 0.52 -6%

OH W H Sammis FirstEnergy Generation Corporation 2866 6 Averaging Plan 0.50 0.44 0.51 0.45 1.10 -60%

OH W H Sammis FirstEnergy Generation Corporation 2866 7 Averaging Plan 0.68 0.37 0.51 0.45 1.06 -65%

OH W H Zimmer Cincinnati Gas & Electric Co. 6019 1 Early Election 0.46 0.47 0.50 Not Oper.

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 1 Averaging Plan 0.40 0.62 0.49 0.41 0.58 7%

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 2 Averaging Plan 0.40 0.57 0.49 0.41 0.65 -12%

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 3 Averaging Plan 0.46 1.01 0.49 0.41 1.21 -17%

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 4 Averaging Plan 0.40 0.64 0.49 0.41 0.51 25%

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 5 Averaging Plan 0.45 0.40 0.49 0.41 0.72 -44%

OH Walter C Beckjord Cincinnati Gas & Electric Co. 2830 6 Averaging Plan 0.45 0.31 0.49 0.41 0.71 -56%

OK Grand River Dam Authority Grand River Dam Authority 165 1 Averaging Plan 0.46 0.45 0.46 0.39 0.41 10%

OK Grand River Dam Authority Grand River Dam Authority 165 2 Averaging Plan 0.46 0.34 0.46 0.39 0.27 26%

OK Hugo Western Farmers Electric Co-op., Inc. 6772 1 Standard Limit 0.46 0.23 0.27 -15%

OK Muskogee Oklahoma Gas & Electric Co. 2952 4 Early Election 0.40 0.33 0.45 0.44 -25%

OK Muskogee Oklahoma Gas & Electric Co. 2952 5 Early Election 0.40 0.31 0.45 0.41 -24%

OK Muskogee Oklahoma Gas & Electric Co. 2952 6 Early Election 0.40 0.29 0.45 0.44 -34%

OK Northeastern Public Service Co. of Oklahoma 2963 3313 Early Election 0.40 0.40 0.45 0.53 -25%

OK Northeastern Public Service Co. of Oklahoma 2963 3314 Early Election 0.40 0.40 0.45 0.53 -25%

OK Sooner Oklahoma Gas & Electric Co. 6095 1 Early Election 0.40 0.35 0.45 0.33 6%

OK Sooner Oklahoma Gas & Electric Co. 6095 2 Early Election 0.40 0.33 0.45 0.42 -21%

OR Boardman Portland General Electric Co. 6106 1SG Early Election 0.46 0.41 0.50 0.40 3%

PA Armstrong Power Station Allegheny Energy Supply Co., LLC 3178 1 Averaging Plan 0.50 0.40 0.56 0.41 0.90 -56%

PA Armstrong Power Station Allegheny Energy Supply Co., LLC 3178 2 Averaging Plan 0.50 0.35 0.56 0.41 1.04 -66%

PA Bruce Mansfield Pennsylvania Power Co. 6094 1 Averaging Plan 0.50 0.39 0.51 0.45 0.98 -60%

PA Bruce Mansfield Pennsylvania Power Co. 6094 2 Averaging Plan 0.50 0.36 0.51 0.45 1.13 -68%

PA Bruce Mansfield Pennsylvania Power Co. 6094 3 Averaging Plan/EE 0.46 0.43 0.50 0.51 0.45 0.57 -25%

PA Brunner Island PPL Brunner Island, LLC 3140 1 Standard Limit 0.45 0.36 0.65 -45%

PA Brunner Island PPL Brunner Island, LLC 3140 2 Standard Limit 0.45 0.36 0.71 -49%

PA Brunner Island PPL Brunner Island, LLC 3140 3 Standard Limit 0.45 0.39 0.83 -53%

PA Cheswick Orion Power Midwest, LP 8226 1 Averaging Plan 0.45 0.33 0.57 0.53 0.71 -54%

PA Conemaugh Reliant Energy Northeast Management Co. 3118 1 Standard Limit 0.45 0.35 0.65 -46%

PA Conemaugh Reliant Energy Northeast Management Co. 3118 2 Standard Limit 0.45 0.34 0.71 -52%

PA Cromby Exelon Generation Co. 3159 1 Early Election 0.46 0.34 0.50 0.60 -43%

PA Eddystone Exelon Generation Co. 3161 1 Early Election 0.40 0.31 0.45 0.42 -26%

PA Eddystone Exelon Generation Co. 3161 2 Early Election 0.40 0.28 0.45 0.50 -44%

PA Elrama Orion Power Midwest, LP 3098 1 Averaging Plan 0.80 0.47 0.57 0.53 0.80 -41%

PA Elrama Orion Power Midwest, LP 3098 2 Averaging Plan 0.80 0.47 0.57 0.53 0.80 -41%

PA Elrama Orion Power Midwest, LP 3098 3 Averaging Plan 0.80 0.47 0.57 0.53 0.80 -41%

PA Elrama Orion Power Midwest, LP 3098 4 Averaging Plan 0.46 0.47 0.57 0.53 0.85 -45%

PA F R Phillips Orion Power Midwest, LP 3099 1 Standard Limit 0.80 Not Oper. 0.85

PA F R Phillips Orion Power Midwest, LP 3099 2 Standard Limit 0.80 Not Oper. 0.85

PA F R Phillips Orion Power Midwest, LP 3099 3 Standard Limit 0.80 Not Oper. 0.85

PA F R Phillips Orion Power Midwest, LP 3099 4 Standard Limit 0.80 Not Oper. 0.85

18
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

PA F R Phillips Orion Power Midwest, LP 3099 5 Standard Limit 0.80 Not Oper. 0.85

PA F R Phillips Orion Power Midwest, LP 3099 6 Standard Limit 0.80 Not Oper. 0.85

PA Hatfields Ferry Power Station Allegheny Energy Supply Co., LLC 3179 1 Averaging Plan 0.68 0.46 0.56 0.41 1.13 -59%

PA Hatfields Ferry Power Station Allegheny Energy Supply Co., LLC 3179 2 Averaging Plan 0.68 0.46 0.56 0.41 1.17 -61%

PA Hatfields Ferry Power Station Allegheny Energy Supply Co., LLC 3179 3 Averaging Plan 0.68 0.46 0.56 0.41 0.90 -49%

PA Homer City EME Homer City Generation, LP 3122 1 Early Election 0.46 0.44 0.50 1.09 -60%

PA Homer City EME Homer City Generation, LP 3122 2 Early Election 0.46 0.43 0.50 1.04 -59%

PA Homer City EME Homer City Generation, LP 3122 3 Early Election 0.46 0.44 0.50 0.62 -29%

PA Keystone Reliant Energy Northeast Management Co. 3136 1 Early Election 0.40 0.33 0.45 0.79 -58%

PA Keystone Reliant Energy Northeast Management Co. 3136 2 Early Election 0.40 0.32 0.45 0.79 -59%

PA Martins Creek PPL Martins Creek, LLC 3148 1 Standard Limit 0.50 0.44 1.03 -57%

PA Martins Creek PPL Martins Creek, LLC 3148 2 Standard Limit 0.50 0.44 0.93 -53%

PA Mitchell Power Station Allegheny Energy Supply Co., LLC 3181 33 Averaging Plan 0.45 0.36 0.56 0.41 0.68 -47%

PA Montour PPL Montour, LLC 3149 1 Early Election 0.40 0.29 0.45 0.95 -69%

PA Montour PPL Montour, LLC 3149 2 Early Election 0.40 0.27 0.45 0.46 -41%

PA New Castle Orion Power Midwest, LP 3138 1 Standard Limit 0.50 Not Oper. 0.79

PA New Castle Orion Power Midwest, LP 3138 2 Standard Limit 0.50 Not Oper. 0.79

PA New Castle Orion Power Midwest, LP 3138 3 Averaging Plan/EE 0.46 0.36 0.50 0.57 0.53 0.63 -43%

PA New Castle Orion Power Midwest, LP 3138 4 Averaging Plan/EE 0.46 0.32 0.50 0.57 0.53 0.57 -44%

PA New Castle Orion Power Midwest, LP 3138 5 Averaging Plan/EE 0.46 0.38 0.50 0.57 0.53 0.73 -48%

PA Portland Reliant Energy Mid-Atlantic Power Holdings, LLC 3113 1 Averaging Plan 0.45 0.27 0.44 0.35 0.46 -41%

PA Portland Reliant Energy Mid-Atlantic Power Holdings, LLC 3113 2 Averaging Plan 0.45 0.34 0.44 0.35 0.66 -48%

PA Seward Reliant Energy Seward, LLC 3130 12 Averaging Plan 0.46 0.39 0.44 0.35 0.83 -53%

PA Seward Reliant Energy Seward, LLC 3130 14 Averaging Plan 0.46 0.39 0.44 0.35 0.83 -53%

PA Seward Reliant Energy Seward, LLC 3130 15 Averaging Plan 0.40 0.39 0.44 0.35 0.75 -48%

PA Shawville Reliant Energy Mid-Atlantic Power Holdings, LLC 3131 1 Standard Limit 0.50 0.47 0.99 -53%

PA Shawville Reliant Energy Mid-Atlantic Power Holdings, LLC 3131 2 Standard Limit 0.50 0.47 1.02 -54%

PA Shawville Reliant Energy Mid-Atlantic Power Holdings, LLC 3131 3 Standard Limit 0.45 0.40 0.83 -52%

PA Shawville Reliant Energy Mid-Atlantic Power Holdings, LLC 3131 4 Standard Limit 0.45 0.40 0.82 -51%

PA Sunbury Sunbury Generation, LLC 3152 3 Standard Limit 0.50 0.34 0.93 -63%

PA Sunbury Sunbury Generation, LLC 3152 4 Standard Limit 0.50 0.30 1.29 -77%

PA Titus Reliant Energy Mid-Atlantic Power Holdings, LLC 3115 1 Early Election 0.40 0.27 0.45 0.73 -63%

PA Titus Reliant Energy Mid-Atlantic Power Holdings, LLC 3115 2 Early Election 0.40 0.30 0.45 0.68 -56%

PA Titus Reliant Energy Mid-Atlantic Power Holdings, LLC 3115 3 Early Election 0.40 0.34 0.45 0.77 -56%

PA Warren Reliant Energy Mid-Atlantic Power Holdings, LLC 3132 1 Averaging Plan 0.46 0.57 0.44 0.35 0.63 -10%

PA Warren Reliant Energy Mid-Atlantic Power Holdings, LLC 3132 2 Averaging Plan 0.46 0.57 0.44 0.35 0.63 -10%

PA Warren Reliant Energy Mid-Atlantic Power Holdings, LLC 3132 3 Averaging Plan 0.46 0.57 0.44 0.35 0.63 -10%

PA Warren Reliant Energy Mid-Atlantic Power Holdings, LLC 3132 4 Averaging Plan 0.46 0.57 0.44 0.35 0.63 -10%

SC Canadys Steam South Carolina Electric & Gas Co. 3280 CAN1 Averaging Plan 0.40 0.36 0.41 0.32 0.45 -20%

SC Canadys Steam South Carolina Electric & Gas Co. 3280 CAN2 Averaging Plan 0.40 0.45 0.41 0.32 0.60 -25%

SC Canadys Steam South Carolina Electric & Gas Co. 3280 CAN3 Averaging Plan 0.46 0.38 0.41 0.32 1.00 -62%

SC Cope Station South Carolina Electric & Gas Co. 7210 COP1 Averaging Plan 0.40 0.24 0.41 0.32 Not Oper.

SC Cross Santee Cooper 130 1 Averaging Plan/EE 0.46 0.34 0.50 0.46 0.41 Not Oper.

SC Cross Santee Cooper 130 2 Early Election 0.40 0.40 0.45 0.46 -13%

19
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

SC Dolphus M Grainger Santee Cooper 3317 1 Averaging Plan 0.46 0.44 0.46 0.41 0.90 -51%

SC Dolphus M Grainger Santee Cooper 3317 2 Averaging Plan 0.46 0.76 0.46 0.41 1.07 -29%

SC H B Robinson Carolina Power & Light Co. 3251 1 Averaging Plan 0.40 0.73 0.44 0.39 0.63 16%

SC Jefferies Santee Cooper 3319 3 Averaging Plan 0.46 0.46 0.46 0.41 1.01 -54%

SC Jefferies Santee Cooper 3319 4 Averaging Plan 0.46 0.43 0.46 0.41 1.15 -63%

SC McMeekin South Carolina Electric & Gas Co. 3287 MCM1 Averaging Plan 0.40 0.39 0.41 0.32 0.61 -36%

SC McMeekin South Carolina Electric & Gas Co. 3287 MCM2 Averaging Plan 0.40 0.41 0.41 0.32 0.59 -31%

SC Urquhart South Carolina Electric & Gas Co. 3295 URQ1 Averaging Plan 0.40 Not Oper. 0.41 0.32 0.69

SC Urquhart South Carolina Electric & Gas Co. 3295 URQ2 Averaging Plan 0.40 Not Oper. 0.41 0.32 0.64

SC Urquhart South Carolina Electric & Gas Co. 3295 URQ3 Averaging Plan 0.40 0.34 0.41 0.32 0.51 -33%

SC W S Lee Duke Energy Corporation 3264 1 Early Election 0.40 0.39 0.45 0.64 -39%

SC W S Lee Duke Energy Corporation 3264 2 Early Election 0.40 0.41 0.45 0.61 -33%

SC W S Lee Duke Energy Corporation 3264 3 Early Election 0.40 0.23 0.45 0.50 -54%

SC Wateree South Carolina Electric & Gas Co. 3297 WAT1 AEL 0.46 0.45 0.59 1.30 -65%

SC Wateree South Carolina Electric & Gas Co. 3297 WAT2 AEL 0.46 0.43 0.59 1.47 -71%

SC Williams South Carolina Generating Co. 3298 WIL1 AEL 0.40 0.44 0.48 0.87 -49%

SC Winyah Santee Cooper 6249 1 Averaging Plan/AEL 0.46 0.43 0.46 0.41 1.03 -58%

SC Winyah Santee Cooper 6249 2 AEL 0.46 0.48 0.61 0.65 -26%

SC Winyah Santee Cooper 6249 3 AEL 0.46 0.55 0.60 0.63 -13%

SC Winyah Santee Cooper 6249 4 AEL 0.46 0.55 0.60 0.50 10%

SD Big Stone Otter Tail Power Co. 6098 1 Standard Limit 0.86 0.83 1.29 -36%

TN Allen Tennessee Valley Authority 3393 1 Averaging Plan 0.86 0.76 0.58 0.50 1.95 -61%

TN Allen Tennessee Valley Authority 3393 2 Averaging Plan 0.86 0.45 0.58 0.50 1.91 -76%

TN Allen Tennessee Valley Authority 3393 3 Averaging Plan 0.86 0.49 0.58 0.50 1.87 -74%

TN Bull Run Tennessee Valley Authority 3396 1 Averaging Plan 0.40 0.60 0.58 0.50 0.67 -10%

TN Cumberland Tennessee Valley Authority 3399 1 Averaging Plan 0.68 0.51 0.58 0.50 1.57 -68%

TN Cumberland Tennessee Valley Authority 3399 2 Averaging Plan 0.68 0.54 0.58 0.50 1.33 -59%

TN Gallatin Tennessee Valley Authority 3403 1 Averaging Plan 0.45 0.29 0.58 0.50 0.59 -51%

TN Gallatin Tennessee Valley Authority 3403 2 Averaging Plan 0.45 0.29 0.58 0.50 0.63 -54%

TN Gallatin Tennessee Valley Authority 3403 3 Averaging Plan 0.45 0.35 0.58 0.50 0.59 -41%

TN Gallatin Tennessee Valley Authority 3403 4 Averaging Plan 0.45 0.35 0.58 0.50 0.55 -36%

TN John Sevier Tennessee Valley Authority 3405 1 Early Election 0.40 0.41 0.45 0.62 -34%

TN John Sevier Tennessee Valley Authority 3405 2 Early Election 0.40 0.41 0.45 0.62 -34%

TN John Sevier Tennessee Valley Authority 3405 3 Early Election 0.40 0.41 0.45 0.64 -36%

TN John Sevier Tennessee Valley Authority 3405 4 Early Election 0.40 0.41 0.45 0.64 -36%

TN Johnsonville Tennessee Valley Authority 3406 1 Averaging Plan 0.45 0.52 0.58 0.50 0.45 16%

TN Johnsonville Tennessee Valley Authority 3406 10 Averaging Plan 0.50 0.52 0.58 0.50 1.07 -51%

TN Johnsonville Tennessee Valley Authority 3406 2 Averaging Plan 0.45 0.52 0.58 0.50 0.48 8%

TN Johnsonville Tennessee Valley Authority 3406 3 Averaging Plan 0.45 0.52 0.58 0.50 0.46 13%

TN Johnsonville Tennessee Valley Authority 3406 4 Averaging Plan 0.45 0.52 0.58 0.50 0.54 -4%

TN Johnsonville Tennessee Valley Authority 3406 5 Averaging Plan 0.45 0.52 0.58 0.50 0.45 16%

TN Johnsonville Tennessee Valley Authority 3406 6 Averaging Plan 0.45 0.52 0.58 0.50 0.50 4%

TN Johnsonville Tennessee Valley Authority 3406 7 Averaging Plan 0.50 0.52 0.58 0.50 1.00 -48%

TN Johnsonville Tennessee Valley Authority 3406 8 Averaging Plan 0.50 0.52 0.58 0.50 0.97 -46%

20
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

TN Johnsonville Tennessee Valley Authority 3406 9 Averaging Plan 0.50 0.52 0.58 0.50 1.10 -53%

TN Kingston Tennessee Valley Authority 3407 1 Averaging Plan 0.40 0.58 0.58 0.50 0.60 -3%

TN Kingston Tennessee Valley Authority 3407 2 Averaging Plan 0.40 0.58 0.58 0.50 0.60 -3%

TN Kingston Tennessee Valley Authority 3407 3 Averaging Plan 0.40 0.58 0.58 0.50 0.60 -3%

TN Kingston Tennessee Valley Authority 3407 4 Averaging Plan 0.40 0.58 0.58 0.50 0.60 -3%

TN Kingston Tennessee Valley Authority 3407 5 Averaging Plan 0.40 0.58 0.58 0.50 0.60 -3%

TN Kingston Tennessee Valley Authority 3407 6 Averaging Plan 0.40 0.41 0.58 0.50 0.63 -35%

TN Kingston Tennessee Valley Authority 3407 7 Averaging Plan 0.40 0.41 0.58 0.50 0.63 -35%

TN Kingston Tennessee Valley Authority 3407 8 Averaging Plan 0.40 0.41 0.58 0.50 0.63 -35%

TN Kingston Tennessee Valley Authority 3407 9 Averaging Plan 0.40 0.41 0.58 0.50 0.63 -35%

TX Big Brown TXU Generation Co., LP 3497 1 Early Election 0.40 0.15 0.45 0.40 -63%

TX Big Brown TXU Generation Co., LP 3497 2 Early Election 0.40 0.17 0.45 0.34 -50%

TX Coleto Creek Central Power and Light Co. 6178 1 Early Election 0.40 0.17 0.45 0.38 -55%

TX Gibbons Creek Steam Electric Station Texas Municipal Power Agency 6136 1 Early Election 0.40 0.15 0.45 0.47 -68%

TX H W Pirkey Power Plant Southwestern Electric Power Co. 7902 1 Early Election 0.46 0.20 0.50 0.34 -41%

TX Harrington Station Southwestern Public Service Co. 6193 061B Early Election 0.40 0.28 0.45 0.27 4%

TX Harrington Station Southwestern Public Service Co. 6193 062B Early Election 0.40 0.28 0.45 0.36 -22%

TX Harrington Station Southwestern Public Service Co. 6193 063B Early Election 0.40 0.27 0.45 0.36 -25%

TX J K Spruce City of San Antonio 7097 **1 Early Election 0.40 0.19 0.45 Not Oper.

TX J T Deely City of San Antonio 6181 1 Early Election 0.40 0.19 0.45 0.31 -39%

TX J T Deely City of San Antonio 6181 2 Early Election 0.40 0.19 0.45 0.31 -39%

TX Limestone Houston Lighting & Power Co. 298 LIM1 Early Election 0.40 0.26 0.45 0.50 -48%

TX Limestone Houston Lighting & Power Co. 298 LIM2 Early Election 0.40 0.21 0.45 0.48 -56%

TX Martin Lake TXU Generation Co., LP 6146 1 Early Election 0.40 0.33 0.45 0.36 -8%

TX Martin Lake TXU Generation Co., LP 6146 2 Early Election 0.40 0.16 0.45 0.35 -54%

TX Martin Lake TXU Generation Co., LP 6146 3 Early Election 0.40 0.17 0.45 0.42 -60%

TX Monticello TXU Generation Co., LP 6147 1 Early Election 0.40 0.20 0.45 0.31 -35%

TX Monticello TXU Generation Co., LP 6147 2 Early Election 0.40 0.26 0.45 0.40 -35%

TX Monticello TXU Generation Co., LP 6147 3 Early Election 0.46 0.18 0.50 0.21 -14%

TX Oklaunion Power Station West Texas Utilities Co. 127 1 Early Election 0.46 0.35 0.50 0.54 -35%

TX Sam Seymour Lower Colorado River Authority 6179 1 Early Election 0.40 0.32 0.45 0.34 -6%

TX Sam Seymour Lower Colorado River Authority 6179 2 Early Election 0.40 0.30 0.45 0.29 3%

TX Sam Seymour Lower Colorado River Authority 6179 3 Early Election 0.40 0.32 0.45 0.25 28%

TX San Miguel San Miguel Electric Co-op. 6183 SM-1 Early Election 0.46 0.40 0.50 0.41 -2%

TX Sandow TXU Generation Co., LP 6648 4 Early Election 0.40 0.34 0.45 0.43 -21%

TX Tolk Station Southwestern Public Service Co. 6194 171B Early Election 0.40 0.28 0.45 0.38 -26%

TX Tolk Station Southwestern Public Service Co. 6194 172B Early Election 0.40 0.29 0.45 0.24 21%

TX W A Parish Houston Lighting & Power Co. 3470 WAP5 Early Election 0.46 0.17 0.50 0.47 -64%

TX W A Parish Houston Lighting & Power Co. 3470 WAP6 Early Election 0.46 0.17 0.50 0.53 -68%

TX W A Parish Houston Lighting & Power Co. 3470 WAP7 Early Election 0.40 0.14 0.45 0.35 -60%

TX W A Parish Houston Lighting & Power Co. 3470 WAP8 Early Election 0.40 0.16 0.45 0.31 -48%

TX Welsh Power Plant Southwestern Electric Power Co. 6139 1 Early Election 0.46 0.17 0.50 0.27 -37%

TX Welsh Power Plant Southwestern Electric Power Co. 6139 2 Early Election 0.46 0.34 0.50 0.36 -6%

TX Welsh Power Plant Southwestern Electric Power Co. 6139 3 Early Election 0.46 0.17 0.50 0.37 -54%

21
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

UT Bonanza Deseret Generation & Transmission 7790 1-1 Early Election 0.46 0.30 0.50 0.42 -29%

UT Carbon PacifiCorp 3644 1 Early Election 0.40 0.45 0.45 0.50 -10%

UT Carbon PacifiCorp 3644 2 Early Election 0.40 0.45 0.45 0.58 -22%

UT Hunter (Emery) PacifiCorp 6165 1 Early Election 0.40 0.41 0.45 0.50 -18%

UT Hunter (Emery) PacifiCorp 6165 2 Early Election 0.40 0.38 0.45 0.55 -31%

UT Hunter (Emery) PacifiCorp 6165 3 Averaging Plan 0.46 0.40 0.45 0.38 0.34 18%

UT Huntington PacifiCorp 8069 1 Early Election 0.40 0.38 0.45 0.52 -27%

UT Huntington PacifiCorp 8069 2 Averaging Plan 0.40 0.39 0.45 0.38 0.43 -9%

UT Intermountain Intermountain Power Service Corporation 6481 1SGA Early Election 0.46 0.42 0.50 0.45 -7%

UT Intermountain Intermountain Power Service Corporation 6481 2SGA Early Election 0.46 0.40 0.50 0.38 5%

VA Bremo Power Station Dominion Generation 3796 3 Averaging Plan 0.46 0.75 0.41 0.36 0.78 -4%

VA Bremo Power Station Dominion Generation 3796 4 Averaging Plan 0.46 0.42 0.41 0.36 0.93 -55%

VA Chesapeake Energy Center Dominion Generation 3803 1 Early Election 0.40 0.43 0.45 0.42 2%

VA Chesapeake Energy Center Dominion Generation 3803 2 Early Election 0.40 0.44 0.45 0.48 -8%

VA Chesapeake Energy Center Dominion Generation 3803 3 Averaging Plan 0.46 0.41 0.41 0.36 1.07 -62%

VA Chesapeake Energy Center Dominion Generation 3803 4 Early Election 0.40 0.43 0.45 0.54 -20%

VA Chesterfield Power Station Dominion Generation 3797 3 Early Election 0.40 0.40 0.45 0.52 -23%

VA Chesterfield Power Station Dominion Generation 3797 4 Early Election 0.40 0.44 0.45 0.49 -10%

VA Chesterfield Power Station Dominion Generation 3797 5 Averaging Plan 0.40 0.33 0.41 0.36 0.62 -47%

VA Chesterfield Power Station Dominion Generation 3797 6 Averaging Plan 0.40 0.37 0.41 0.36 0.73 -49%

VA Clinch River Appalachian Power Co. 3775 1 Averaging Plan 0.80 0.61 0.59 0.53 1.34 -54%

VA Clinch River Appalachian Power Co. 3775 2 Averaging Plan 0.80 0.61 0.59 0.53 1.34 -54%

VA Clinch River Appalachian Power Co. 3775 3 Averaging Plan 0.80 0.52 0.59 0.53 1.42 -63%

VA Clover Power Station Dominion Generation 7213 1 Averaging Plan 0.40 0.31 0.41 0.36 Not Oper.

VA Clover Power Station Dominion Generation 7213 2 Averaging Plan 0.40 0.30 0.41 0.36 Not Oper.

VA Glen Lyn Appalachian Power Co. 3776 51 Averaging Plan/EE 0.40 0.43 0.45 0.59 0.53 0.46 -7%

VA Glen Lyn Appalachian Power Co. 3776 52 Averaging Plan/EE 0.40 0.38 0.45 0.59 0.53 Not Oper.

VA Glen Lyn Appalachian Power Co. 3776 6 Averaging Plan 0.46 0.61 0.59 0.53 0.76 -20%

VA Possum Point Power Station Dominion Generation 3804 3 Early Election 0.40 0.42 0.45 0.60 -30%

VA Possum Point Power Station Dominion Generation 3804 4 Averaging Plan 0.40 0.34 0.41 0.36 0.61 -44%

VA Potomac River Mirant Mid-Atlantic, LLC 3788 1 Early Election 0.40 0.38 0.45 0.51 -25%

VA Potomac River Mirant Mid-Atlantic, LLC 3788 2 Early Election 0.40 0.42 0.45 0.44 -5%

VA Potomac River Mirant Mid-Atlantic, LLC 3788 3 Early Election 0.40 0.42 0.45 0.64 -34%

VA Potomac River Mirant Mid-Atlantic, LLC 3788 4 Early Election 0.40 0.42 0.45 0.46 -9%

VA Potomac River Mirant Mid-Atlantic, LLC 3788 5 Early Election 0.40 0.40 0.45 0.72 -44%

VA Yorktown Power Station Dominion Generation 3809 1 Early Election 0.40 0.42 0.45 0.57 -26%

VA Yorktown Power Station Dominion Generation 3809 2 Early Election 0.40 0.45 0.45 0.57 -21%

WA Centralia Transalta Centralia Generation, LLC 3845 BW21 Early Election 0.40 0.31 0.45 0.40 -23%

WA Centralia Transalta Centralia Generation, LLC 3845 BW22 Early Election 0.40 0.30 0.45 0.45 -33%

WI Alma Dairyland Power Co-op. 4140 B4 Averaging Plan 0.50 0.81 0.48 0.47 0.85 -5%

WI Alma Dairyland Power Co-op. 4140 B5 Averaging Plan 0.50 0.81 0.48 0.47 0.85 -5%

WI Blount Street Madison Gas & Electric Co. 3992 7 Standard Limit 0.68 0.66 0.89 -26%

WI Blount Street Madison Gas & Electric Co. 3992 8 Early Election 0.46 0.38 0.50 0.71 -46%

WI Blount Street Madison Gas & Electric Co. 3992 9 Early Election 0.46 0.42 0.50 0.61 -31%

22
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

WI Columbia Wisconsin Power & Light Co. 8023 1 Early Election 0.40 0.21 0.45 0.46 -54%

WI Columbia Wisconsin Power & Light Co. 8023 2 Early Election 0.40 0.37 0.45 0.49 -24%

WI Edgewater (4050) Wisconsin Power & Light Co. 4050 4 Averaging Plan 0.86 0.44 0.62 0.31 1.17 -62%

WI Edgewater (4050) Wisconsin Power & Light Co. 4050 5 Averaging Plan/EE 0.46 0.22 0.50 0.62 0.31 0.21 5%

WI Genoa Dairyland Power Co-op. 4143 1 Averaging Plan 0.45 0.46 0.48 0.47 0.75 -39%

WI J P Madgett Dairyland Power Co-op. 4271 B1 Averaging Plan 0.50 0.38 0.48 0.47 0.30 27%

WI Pleasant Prairie Wisconsin Electric Power Co. 6170 1 Averaging Plan 0.46 0.46 0.47 0.38 0.45 2%

WI Pleasant Prairie Wisconsin Electric Power Co. 6170 2 Averaging Plan 0.46 0.46 0.47 0.38 0.45 2%

WI Port Washington Wisconsin Electric Power Co. 4040 1 Averaging Plan 0.50 0.33 0.47 0.38 0.32 3%

WI Port Washington Wisconsin Electric Power Co. 4040 2 Averaging Plan 0.50 0.33 0.47 0.38 0.32 3%

WI Port Washington Wisconsin Electric Power Co. 4040 3 Averaging Plan 0.50 0.33 0.47 0.38 0.32 3%

WI Port Washington Wisconsin Electric Power Co. 4040 4 Averaging Plan 0.50 0.33 0.47 0.38 0.37 -11%

WI Port Washington Wisconsin Electric Power Co. 4040 5 Standard Limit 0.50 Not Oper. 0.37

WI Pulliam Wisconsin Public Service Corporation 4072 3 Averaging Plan 0.46 0.72 0.47 0.41 0.76 -5%

WI Pulliam Wisconsin Public Service Corporation 4072 4 Averaging Plan 0.46 0.72 0.47 0.41 0.76 -5%

WI Pulliam Wisconsin Public Service Corporation 4072 5 Averaging Plan 0.46 0.77 0.47 0.41 0.94 -18%

WI Pulliam Wisconsin Public Service Corporation 4072 6 Averaging Plan 0.46 0.77 0.47 0.41 0.94 -18%

WI Pulliam Wisconsin Public Service Corporation 4072 7 Averaging Plan 0.50 0.46 0.47 0.41 0.69 -33%

WI Pulliam Wisconsin Public Service Corporation 4072 8 Averaging Plan 0.50 0.29 0.47 0.41 0.57 -49%

WI South Oak Creek Wisconsin Electric Power Co. 4041 5 Averaging Plan 0.50 0.19 0.47 0.38 0.28 -32%

WI South Oak Creek Wisconsin Electric Power Co. 4041 6 Averaging Plan 0.50 0.19 0.47 0.38 0.28 -32%

WI South Oak Creek Wisconsin Electric Power Co. 4041 7 Averaging Plan 0.45 0.21 0.47 0.38 0.66 -68%

WI South Oak Creek Wisconsin Electric Power Co. 4041 8 Averaging Plan 0.45 0.21 0.47 0.38 0.67 -69%

WI Stoneman Mid-American Power, LLC 4146 B1 Averaging Plan 0.46 0.32 0.46 0.32 0.75 -57%

WI Stoneman Mid-American Power, LLC 4146 B2 Averaging Plan 0.46 0.32 0.46 0.32 0.75 -57%

WI Valley (WEPCO) Wisconsin Electric Power Co. 4042 1 Averaging Plan 0.50 0.37 0.47 0.38 1.10 -66%

WI Valley (WEPCO) Wisconsin Electric Power Co. 4042 2 Averaging Plan 0.50 0.37 0.47 0.38 1.10 -66%

WI Valley (WEPCO) Wisconsin Electric Power Co. 4042 3 Averaging Plan 0.50 0.38 0.47 0.38 1.05 -64%

WI Valley (WEPCO) Wisconsin Electric Power Co. 4042 4 Averaging Plan 0.50 0.38 0.47 0.38 0.93 -59%

WI Weston Wisconsin Public Service Corporation 4078 1 Averaging Plan 0.50 0.79 0.47 0.41 0.90 -12%

WI Weston Wisconsin Public Service Corporation 4078 2 Averaging Plan 0.50 0.40 0.47 0.41 1.08 -63%

WI Weston Wisconsin Public Service Corporation 4078 3 Averaging Plan 0.45 0.22 0.47 0.41 0.26 -15%

WV Albright Power Station Allegheny Energy Supply, LLC 3942 1 Averaging Plan 0.50 0.69 0.56 0.41 1.10 -37%

WV Albright Power Station Allegheny Energy Supply, LLC 3942 2 Averaging Plan 0.50 0.70 0.56 0.41 1.10 -36%

WV Albright Power Station Allegheny Energy Supply, LLC 3942 3 Averaging Plan 0.45 0.40 0.56 0.41 0.71 -44%

WV Fort Martin Power Station Allegheny Energy Supply Co., LLC 3943 1 Averaging Plan 0.45 0.29 0.56 0.41 0.62 -53%

WV Fort Martin Power Station Allegheny Energy Supply Co., LLC 3943 2 Averaging Plan 0.68 0.31 0.56 0.41 1.07 -71%

WV Harrison Power Station Allegheny Energy Supply Co., LLC 3944 1 Averaging Plan/AEL 0.50 0.41 0.70 0.56 0.41 0.99 -59%

WV Harrison Power Station Allegheny Energy Supply Co., LLC 3944 2 Averaging Plan 0.50 0.41 0.56 0.41 1.13 -64%

WV Harrison Power Station Allegheny Energy Supply Co., LLC 3944 3 Averaging Plan 0.50 0.41 0.56 0.41 1.06 -61%

WV John E Amos Appalachian Power Co. 3935 1 Averaging Plan/AEL 0.46 0.56 0.59 0.59 0.53 1.00 -44%

WV John E Amos Appalachian Power Co. 3935 2 Averaging Plan/AEL 0.46 0.50 0.52 0.59 0.53 1.00 -50%

WV John E Amos Appalachian Power Co. 3935 3 Averaging Plan 0.68 0.47 0.59 0.53 1.05 -55%

WV Kammer Ohio Power Co. 3947 1 Averaging Plan 0.86 0.74 0.59 0.53 1.21 -39%

23
Date of NOx Compliance Assessment: 07/11/2003

Standard Actual Early Avg. Actual 1990 Change 

ORIS Compliance Emission Emission Election Plan Avg. Plan Emission from 1990 

ST Plant Name Operating Utility Code Boiler Approach Limit Rate Limit AEL Limit Rate Rate to 2002 

2002 Compliance Results for Acid Rain NOx Affected Units

WV Kammer Ohio Power Co. 3947 2 Averaging Plan 0.86 0.74 0.59 0.53 1.21 -39%

WV Kammer Ohio Power Co. 3947 3 Averaging Plan 0.86 0.74 0.59 0.53 1.21 -39%

WV Kanawha River Appalachian Power Co. 3936 1 Averaging Plan 0.80 0.49 0.59 0.53 1.23 -60%

WV Kanawha River Appalachian Power Co. 3936 2 Averaging Plan 0.80 0.49 0.59 0.53 1.23 -60%

WV Mitchell (WV) Ohio Power Co. 3948 1 Averaging Plan/AEL 0.50 0.63 0.56 0.59 0.53 0.77 -18%

WV Mitchell (WV) Ohio Power Co. 3948 2 Averaging Plan/AEL 0.50 0.73 0.56 0.59 0.53 0.77 -5%

WV Mount Storm Power Station Dominion Generation 3954 1 AEL 0.45 0.61 0.76 0.88 -31%

WV Mount Storm Power Station Dominion Generation 3954 2 AEL 0.45 0.68 0.69 0.76 -11%

WV Mount Storm Power Station Dominion Generation 3954 3 AEL 0.45 0.60 0.74 1.27 -53%

WV Mountaineer (1301) Appalachian Power Co. 6264 1 Averaging Plan/EE 0.46 0.30 0.50 0.59 0.53 0.47 -36%

WV Phil Sporn Appalachian Power Co. 3938 11 Averaging Plan 0.80 0.59 0.59 0.53 1.21 -51%

WV Phil Sporn Central Operating Co. 3938 21 Averaging Plan 0.80 0.59 0.59 0.53 1.21 -51%

WV Phil Sporn Appalachian Power Co. 3938 31 Averaging Plan 0.80 0.59 0.59 0.53 1.21 -51%

WV Phil Sporn Central Operating Co. 3938 41 Averaging Plan 0.80 0.59 0.59 0.53 1.21 -51%

WV Phil Sporn Central Operating Co. 3938 51 Averaging Plan 0.46 0.40 0.59 0.53 0.90 -56%

WV Pleasants Power Station Allegheny Energy Supply Co., LLC 6004 1 Averaging Plan 0.50 0.34 0.56 0.41 0.52 -35%

WV Pleasants Power Station Allegheny Energy Supply Co., LLC 6004 2 Averaging Plan 0.50 0.37 0.56 0.41 0.35 6%

WV Rivesville Power Station Allegheny Energy Supply Co., LLC 3945 7 Averaging Plan 0.80 0.90 0.56 0.41 0.86 5%

WV Rivesville Power Station Allegheny Energy Supply Co., LLC 3945 8 Averaging Plan 0.80 0.67 0.56 0.41 0.77 -13%

WV Willow Island Power Station Allegheny Energy Supply Co., LLC 3946 1 Averaging Plan 0.80 0.58 0.56 0.41 0.88 -34%

WV Willow Island Power Station Allegheny Energy Supply Co., LLC 3946 2 Averaging Plan 0.86 0.96 0.56 0.41 1.26 -24%

WY Dave Johnston PacifiCorp 4158 BW41 Early Election 0.46 0.47 0.50 0.48 -2%

WY Dave Johnston PacifiCorp 4158 BW42 Early Election 0.46 0.45 0.50 0.54 -17%

WY Dave Johnston PacifiCorp 4158 BW43 Averaging Plan 0.68 0.50 0.45 0.38 0.71 -30%

WY Dave Johnston PacifiCorp 4158 BW44 Averaging Plan 0.40 0.36 0.45 0.38 0.55 -35%

WY Jim Bridger PacifiCorp 8066 BW71 Averaging Plan 0.45 0.38 0.45 0.38 0.63 -40%

WY Jim Bridger PacifiCorp 8066 BW72 Averaging Plan 0.45 0.36 0.45 0.38 0.51 -29%

WY Jim Bridger PacifiCorp 8066 BW73 Averaging Plan 0.45 0.36 0.45 0.38 0.42 -14%

WY Jim Bridger PacifiCorp 8066 BW74 Early Election 0.40 0.38 0.45 0.41 -7%

WY Laramie River Basin Electric Power Co-op. 6204 1 Early Election 0.46 0.28 0.50 0.35 -20%

WY Laramie River Basin Electric Power Co-op. 6204 2 Early Election 0.46 0.27 0.50 0.32 -16%

WY Laramie River Basin Electric Power Co-op. 6204 3 Early Election 0.46 0.27 0.50 0.42 -36%

WY Naughton PacifiCorp 4162 1 Averaging Plan 0.40 0.52 0.45 0.38 0.42 24%

WY Naughton PacifiCorp 4162 2 Averaging Plan 0.40 0.53 0.45 0.38 0.55 -4%

WY Naughton PacifiCorp 4162 3 Averaging Plan 0.40 0.37 0.45 0.38 0.62 -40%

WY Wyodak PacifiCorp 6101 BW91 Averaging Plan 0.50 0.26 0.45 0.38 0.37 -30%

24